| // clang-format off | 
 | /*This is mechanically generated code*/ | 
 | #include <stdlib.h> | 
 |  | 
 | typedef struct { int x, y; } xy; | 
 | typedef unsigned char byte; | 
 |  | 
 | int fast9_corner_score(const byte* p, const int pixel[], int bstart) | 
 | { | 
 |     int bmin = bstart; | 
 |     int bmax = 255; | 
 |     int b = (bmax + bmin)/2; | 
 |  | 
 |     /*Compute the score using binary search*/ | 
 | 	for(;;) | 
 |     { | 
 | 		int cb = *p + b; | 
 | 		int c_b= *p - b; | 
 |  | 
 |  | 
 |         if( p[pixel[0]] > cb) | 
 |          if( p[pixel[1]] > cb) | 
 |           if( p[pixel[2]] > cb) | 
 |            if( p[pixel[3]] > cb) | 
 |             if( p[pixel[4]] > cb) | 
 |              if( p[pixel[5]] > cb) | 
 |               if( p[pixel[6]] > cb) | 
 |                if( p[pixel[7]] > cb) | 
 |                 if( p[pixel[8]] > cb) | 
 |                  goto is_a_corner; | 
 |                 else | 
 |                  if( p[pixel[15]] > cb) | 
 |                   goto is_a_corner; | 
 |                  else | 
 |                   goto is_not_a_corner; | 
 |                else if( p[pixel[7]] < c_b) | 
 |                 if( p[pixel[14]] > cb) | 
 |                  if( p[pixel[15]] > cb) | 
 |                   goto is_a_corner; | 
 |                  else | 
 |                   goto is_not_a_corner; | 
 |                 else if( p[pixel[14]] < c_b) | 
 |                  if( p[pixel[8]] < c_b) | 
 |                   if( p[pixel[9]] < c_b) | 
 |                    if( p[pixel[10]] < c_b) | 
 |                     if( p[pixel[11]] < c_b) | 
 |                      if( p[pixel[12]] < c_b) | 
 |                       if( p[pixel[13]] < c_b) | 
 |                        if( p[pixel[15]] < c_b) | 
 |                         goto is_a_corner; | 
 |                        else | 
 |                         goto is_not_a_corner; | 
 |                       else | 
 |                        goto is_not_a_corner; | 
 |                      else | 
 |                       goto is_not_a_corner; | 
 |                     else | 
 |                      goto is_not_a_corner; | 
 |                    else | 
 |                     goto is_not_a_corner; | 
 |                   else | 
 |                    goto is_not_a_corner; | 
 |                  else | 
 |                   goto is_not_a_corner; | 
 |                 else | 
 |                  goto is_not_a_corner; | 
 |                else | 
 |                 if( p[pixel[14]] > cb) | 
 |                  if( p[pixel[15]] > cb) | 
 |                   goto is_a_corner; | 
 |                  else | 
 |                   goto is_not_a_corner; | 
 |                 else | 
 |                  goto is_not_a_corner; | 
 |               else if( p[pixel[6]] < c_b) | 
 |                if( p[pixel[15]] > cb) | 
 |                 if( p[pixel[13]] > cb) | 
 |                  if( p[pixel[14]] > cb) | 
 |                   goto is_a_corner; | 
 |                  else | 
 |                   goto is_not_a_corner; | 
 |                 else if( p[pixel[13]] < c_b) | 
 |                  if( p[pixel[7]] < c_b) | 
 |                   if( p[pixel[8]] < c_b) | 
 |                    if( p[pixel[9]] < c_b) | 
 |                     if( p[pixel[10]] < c_b) | 
 |                      if( p[pixel[11]] < c_b) | 
 |                       if( p[pixel[12]] < c_b) | 
 |                        if( p[pixel[14]] < c_b) | 
 |                         goto is_a_corner; | 
 |                        else | 
 |                         goto is_not_a_corner; | 
 |                       else | 
 |                        goto is_not_a_corner; | 
 |                      else | 
 |                       goto is_not_a_corner; | 
 |                     else | 
 |                      goto is_not_a_corner; | 
 |                    else | 
 |                     goto is_not_a_corner; | 
 |                   else | 
 |                    goto is_not_a_corner; | 
 |                  else | 
 |                   goto is_not_a_corner; | 
 |                 else | 
 |                  goto is_not_a_corner; | 
 |                else | 
 |                 if( p[pixel[7]] < c_b) | 
 |                  if( p[pixel[8]] < c_b) | 
 |                   if( p[pixel[9]] < c_b) | 
 |                    if( p[pixel[10]] < c_b) | 
 |                     if( p[pixel[11]] < c_b) | 
 |                      if( p[pixel[12]] < c_b) | 
 |                       if( p[pixel[13]] < c_b) | 
 |                        if( p[pixel[14]] < c_b) | 
 |                         goto is_a_corner; | 
 |                        else | 
 |                         goto is_not_a_corner; | 
 |                       else | 
 |                        goto is_not_a_corner; | 
 |                      else | 
 |                       goto is_not_a_corner; | 
 |                     else | 
 |                      goto is_not_a_corner; | 
 |                    else | 
 |                     goto is_not_a_corner; | 
 |                   else | 
 |                    goto is_not_a_corner; | 
 |                  else | 
 |                   goto is_not_a_corner; | 
 |                 else | 
 |                  goto is_not_a_corner; | 
 |               else | 
 |                if( p[pixel[13]] > cb) | 
 |                 if( p[pixel[14]] > cb) | 
 |                  if( p[pixel[15]] > cb) | 
 |                   goto is_a_corner; | 
 |                  else | 
 |                   goto is_not_a_corner; | 
 |                 else | 
 |                  goto is_not_a_corner; | 
 |                else if( p[pixel[13]] < c_b) | 
 |                 if( p[pixel[7]] < c_b) | 
 |                  if( p[pixel[8]] < c_b) | 
 |                   if( p[pixel[9]] < c_b) | 
 |                    if( p[pixel[10]] < c_b) | 
 |                     if( p[pixel[11]] < c_b) | 
 |                      if( p[pixel[12]] < c_b) | 
 |                       if( p[pixel[14]] < c_b) | 
 |                        if( p[pixel[15]] < c_b) | 
 |                         goto is_a_corner; | 
 |                        else | 
 |                         goto is_not_a_corner; | 
 |                       else | 
 |                        goto is_not_a_corner; | 
 |                      else | 
 |                       goto is_not_a_corner; | 
 |                     else | 
 |                      goto is_not_a_corner; | 
 |                    else | 
 |                     goto is_not_a_corner; | 
 |                   else | 
 |                    goto is_not_a_corner; | 
 |                  else | 
 |                   goto is_not_a_corner; | 
 |                 else | 
 |                  goto is_not_a_corner; | 
 |                else | 
 |                 goto is_not_a_corner; | 
 |              else if( p[pixel[5]] < c_b) | 
 |               if( p[pixel[14]] > cb) | 
 |                if( p[pixel[12]] > cb) | 
 |                 if( p[pixel[13]] > cb) | 
 |                  if( p[pixel[15]] > cb) | 
 |                   goto is_a_corner; | 
 |                  else | 
 |                   if( p[pixel[6]] > cb) | 
 |                    if( p[pixel[7]] > cb) | 
 |                     if( p[pixel[8]] > cb) | 
 |                      if( p[pixel[9]] > cb) | 
 |                       if( p[pixel[10]] > cb) | 
 |                        if( p[pixel[11]] > cb) | 
 |                         goto is_a_corner; | 
 |                        else | 
 |                         goto is_not_a_corner; | 
 |                       else | 
 |                        goto is_not_a_corner; | 
 |                      else | 
 |                       goto is_not_a_corner; | 
 |                     else | 
 |                      goto is_not_a_corner; | 
 |                    else | 
 |                     goto is_not_a_corner; | 
 |                   else | 
 |                    goto is_not_a_corner; | 
 |                 else | 
 |                  goto is_not_a_corner; | 
 |                else if( p[pixel[12]] < c_b) | 
 |                 if( p[pixel[6]] < c_b) | 
 |                  if( p[pixel[7]] < c_b) | 
 |                   if( p[pixel[8]] < c_b) | 
 |                    if( p[pixel[9]] < c_b) | 
 |                     if( p[pixel[10]] < c_b) | 
 |                      if( p[pixel[11]] < c_b) | 
 |                       if( p[pixel[13]] < c_b) | 
 |                        goto is_a_corner; | 
 |                       else | 
 |                        goto is_not_a_corner; | 
 |                      else | 
 |                       goto is_not_a_corner; | 
 |                     else | 
 |                      goto is_not_a_corner; | 
 |                    else | 
 |                     goto is_not_a_corner; | 
 |                   else | 
 |                    goto is_not_a_corner; | 
 |                  else | 
 |                   goto is_not_a_corner; | 
 |                 else | 
 |                  goto is_not_a_corner; | 
 |                else | 
 |                 goto is_not_a_corner; | 
 |               else if( p[pixel[14]] < c_b) | 
 |                if( p[pixel[7]] < c_b) | 
 |                 if( p[pixel[8]] < c_b) | 
 |                  if( p[pixel[9]] < c_b) | 
 |                   if( p[pixel[10]] < c_b) | 
 |                    if( p[pixel[11]] < c_b) | 
 |                     if( p[pixel[12]] < c_b) | 
 |                      if( p[pixel[13]] < c_b) | 
 |                       if( p[pixel[6]] < c_b) | 
 |                        goto is_a_corner; | 
 |                       else | 
 |                        if( p[pixel[15]] < c_b) | 
 |                         goto is_a_corner; | 
 |                        else | 
 |                         goto is_not_a_corner; | 
 |                      else | 
 |                       goto is_not_a_corner; | 
 |                     else | 
 |                      goto is_not_a_corner; | 
 |                    else | 
 |                     goto is_not_a_corner; | 
 |                   else | 
 |                    goto is_not_a_corner; | 
 |                  else | 
 |                   goto is_not_a_corner; | 
 |                 else | 
 |                  goto is_not_a_corner; | 
 |                else | 
 |                 goto is_not_a_corner; | 
 |               else | 
 |                if( p[pixel[6]] < c_b) | 
 |                 if( p[pixel[7]] < c_b) | 
 |                  if( p[pixel[8]] < c_b) | 
 |                   if( p[pixel[9]] < c_b) | 
 |                    if( p[pixel[10]] < c_b) | 
 |                     if( p[pixel[11]] < c_b) | 
 |                      if( p[pixel[12]] < c_b) | 
 |                       if( p[pixel[13]] < c_b) | 
 |                        goto is_a_corner; | 
 |                       else | 
 |                        goto is_not_a_corner; | 
 |                      else | 
 |                       goto is_not_a_corner; | 
 |                     else | 
 |                      goto is_not_a_corner; | 
 |                    else | 
 |                     goto is_not_a_corner; | 
 |                   else | 
 |                    goto is_not_a_corner; | 
 |                  else | 
 |                   goto is_not_a_corner; | 
 |                 else | 
 |                  goto is_not_a_corner; | 
 |                else | 
 |                 goto is_not_a_corner; | 
 |              else | 
 |               if( p[pixel[12]] > cb) | 
 |                if( p[pixel[13]] > cb) | 
 |                 if( p[pixel[14]] > cb) | 
 |                  if( p[pixel[15]] > cb) | 
 |                   goto is_a_corner; | 
 |                  else | 
 |                   if( p[pixel[6]] > cb) | 
 |                    if( p[pixel[7]] > cb) | 
 |                     if( p[pixel[8]] > cb) | 
 |                      if( p[pixel[9]] > cb) | 
 |                       if( p[pixel[10]] > cb) | 
 |                        if( p[pixel[11]] > cb) | 
 |                         goto is_a_corner; | 
 |                        else | 
 |                         goto is_not_a_corner; | 
 |                       else | 
 |                        goto is_not_a_corner; | 
 |                      else | 
 |                       goto is_not_a_corner; | 
 |                     else | 
 |                      goto is_not_a_corner; | 
 |                    else | 
 |                     goto is_not_a_corner; | 
 |                   else | 
 |                    goto is_not_a_corner; | 
 |                 else | 
 |                  goto is_not_a_corner; | 
 |                else | 
 |                 goto is_not_a_corner; | 
 |               else if( p[pixel[12]] < c_b) | 
 |                if( p[pixel[7]] < c_b) | 
 |                 if( p[pixel[8]] < c_b) | 
 |                  if( p[pixel[9]] < c_b) | 
 |                   if( p[pixel[10]] < c_b) | 
 |                    if( p[pixel[11]] < c_b) | 
 |                     if( p[pixel[13]] < c_b) | 
 |                      if( p[pixel[14]] < c_b) | 
 |                       if( p[pixel[6]] < c_b) | 
 |                        goto is_a_corner; | 
 |                       else | 
 |                        if( p[pixel[15]] < c_b) | 
 |                         goto is_a_corner; | 
 |                        else | 
 |                         goto is_not_a_corner; | 
 |                      else | 
 |                       goto is_not_a_corner; | 
 |                     else | 
 |                      goto is_not_a_corner; | 
 |                    else | 
 |                     goto is_not_a_corner; | 
 |                   else | 
 |                    goto is_not_a_corner; | 
 |                  else | 
 |                   goto is_not_a_corner; | 
 |                 else | 
 |                  goto is_not_a_corner; | 
 |                else | 
 |                 goto is_not_a_corner; | 
 |               else | 
 |                goto is_not_a_corner; | 
 |             else if( p[pixel[4]] < c_b) | 
 |              if( p[pixel[13]] > cb) | 
 |               if( p[pixel[11]] > cb) | 
 |                if( p[pixel[12]] > cb) | 
 |                 if( p[pixel[14]] > cb) | 
 |                  if( p[pixel[15]] > cb) | 
 |                   goto is_a_corner; | 
 |                  else | 
 |                   if( p[pixel[6]] > cb) | 
 |                    if( p[pixel[7]] > cb) | 
 |                     if( p[pixel[8]] > cb) | 
 |                      if( p[pixel[9]] > cb) | 
 |                       if( p[pixel[10]] > cb) | 
 |                        goto is_a_corner; | 
 |                       else | 
 |                        goto is_not_a_corner; | 
 |                      else | 
 |                       goto is_not_a_corner; | 
 |                     else | 
 |                      goto is_not_a_corner; | 
 |                    else | 
 |                     goto is_not_a_corner; | 
 |                   else | 
 |                    goto is_not_a_corner; | 
 |                 else | 
 |                  if( p[pixel[5]] > cb) | 
 |                   if( p[pixel[6]] > cb) | 
 |                    if( p[pixel[7]] > cb) | 
 |                     if( p[pixel[8]] > cb) | 
 |                      if( p[pixel[9]] > cb) | 
 |                       if( p[pixel[10]] > cb) | 
 |                        goto is_a_corner; | 
 |                       else | 
 |                        goto is_not_a_corner; | 
 |                      else | 
 |                       goto is_not_a_corner; | 
 |                     else | 
 |                      goto is_not_a_corner; | 
 |                    else | 
 |                     goto is_not_a_corner; | 
 |                   else | 
 |                    goto is_not_a_corner; | 
 |                  else | 
 |                   goto is_not_a_corner; | 
 |                else | 
 |                 goto is_not_a_corner; | 
 |               else if( p[pixel[11]] < c_b) | 
 |                if( p[pixel[5]] < c_b) | 
 |                 if( p[pixel[6]] < c_b) | 
 |                  if( p[pixel[7]] < c_b) | 
 |                   if( p[pixel[8]] < c_b) | 
 |                    if( p[pixel[9]] < c_b) | 
 |                     if( p[pixel[10]] < c_b) | 
 |                      if( p[pixel[12]] < c_b) | 
 |                       goto is_a_corner; | 
 |                      else | 
 |                       goto is_not_a_corner; | 
 |                     else | 
 |                      goto is_not_a_corner; | 
 |                    else | 
 |                     goto is_not_a_corner; | 
 |                   else | 
 |                    goto is_not_a_corner; | 
 |                  else | 
 |                   goto is_not_a_corner; | 
 |                 else | 
 |                  goto is_not_a_corner; | 
 |                else | 
 |                 goto is_not_a_corner; | 
 |               else | 
 |                goto is_not_a_corner; | 
 |              else if( p[pixel[13]] < c_b) | 
 |               if( p[pixel[7]] < c_b) | 
 |                if( p[pixel[8]] < c_b) | 
 |                 if( p[pixel[9]] < c_b) | 
 |                  if( p[pixel[10]] < c_b) | 
 |                   if( p[pixel[11]] < c_b) | 
 |                    if( p[pixel[12]] < c_b) | 
 |                     if( p[pixel[6]] < c_b) | 
 |                      if( p[pixel[5]] < c_b) | 
 |                       goto is_a_corner; | 
 |                      else | 
 |                       if( p[pixel[14]] < c_b) | 
 |                        goto is_a_corner; | 
 |                       else | 
 |                        goto is_not_a_corner; | 
 |                     else | 
 |                      if( p[pixel[14]] < c_b) | 
 |                       if( p[pixel[15]] < c_b) | 
 |                        goto is_a_corner; | 
 |                       else | 
 |                        goto is_not_a_corner; | 
 |                      else | 
 |                       goto is_not_a_corner; | 
 |                    else | 
 |                     goto is_not_a_corner; | 
 |                   else | 
 |                    goto is_not_a_corner; | 
 |                  else | 
 |                   goto is_not_a_corner; | 
 |                 else | 
 |                  goto is_not_a_corner; | 
 |                else | 
 |                 goto is_not_a_corner; | 
 |               else | 
 |                goto is_not_a_corner; | 
 |              else | 
 |               if( p[pixel[5]] < c_b) | 
 |                if( p[pixel[6]] < c_b) | 
 |                 if( p[pixel[7]] < c_b) | 
 |                  if( p[pixel[8]] < c_b) | 
 |                   if( p[pixel[9]] < c_b) | 
 |                    if( p[pixel[10]] < c_b) | 
 |                     if( p[pixel[11]] < c_b) | 
 |                      if( p[pixel[12]] < c_b) | 
 |                       goto is_a_corner; | 
 |                      else | 
 |                       goto is_not_a_corner; | 
 |                     else | 
 |                      goto is_not_a_corner; | 
 |                    else | 
 |                     goto is_not_a_corner; | 
 |                   else | 
 |                    goto is_not_a_corner; | 
 |                  else | 
 |                   goto is_not_a_corner; | 
 |                 else | 
 |                  goto is_not_a_corner; | 
 |                else | 
 |                 goto is_not_a_corner; | 
 |               else | 
 |                goto is_not_a_corner; | 
 |             else | 
 |              if( p[pixel[11]] > cb) | 
 |               if( p[pixel[12]] > cb) | 
 |                if( p[pixel[13]] > cb) | 
 |                 if( p[pixel[14]] > cb) | 
 |                  if( p[pixel[15]] > cb) | 
 |                   goto is_a_corner; | 
 |                  else | 
 |                   if( p[pixel[6]] > cb) | 
 |                    if( p[pixel[7]] > cb) | 
 |                     if( p[pixel[8]] > cb) | 
 |                      if( p[pixel[9]] > cb) | 
 |                       if( p[pixel[10]] > cb) | 
 |                        goto is_a_corner; | 
 |                       else | 
 |                        goto is_not_a_corner; | 
 |                      else | 
 |                       goto is_not_a_corner; | 
 |                     else | 
 |                      goto is_not_a_corner; | 
 |                    else | 
 |                     goto is_not_a_corner; | 
 |                   else | 
 |                    goto is_not_a_corner; | 
 |                 else | 
 |                  if( p[pixel[5]] > cb) | 
 |                   if( p[pixel[6]] > cb) | 
 |                    if( p[pixel[7]] > cb) | 
 |                     if( p[pixel[8]] > cb) | 
 |                      if( p[pixel[9]] > cb) | 
 |                       if( p[pixel[10]] > cb) | 
 |                        goto is_a_corner; | 
 |                       else | 
 |                        goto is_not_a_corner; | 
 |                      else | 
 |                       goto is_not_a_corner; | 
 |                     else | 
 |                      goto is_not_a_corner; | 
 |                    else | 
 |                     goto is_not_a_corner; | 
 |                   else | 
 |                    goto is_not_a_corner; | 
 |                  else | 
 |                   goto is_not_a_corner; | 
 |                else | 
 |                 goto is_not_a_corner; | 
 |               else | 
 |                goto is_not_a_corner; | 
 |              else if( p[pixel[11]] < c_b) | 
 |               if( p[pixel[7]] < c_b) | 
 |                if( p[pixel[8]] < c_b) | 
 |                 if( p[pixel[9]] < c_b) | 
 |                  if( p[pixel[10]] < c_b) | 
 |                   if( p[pixel[12]] < c_b) | 
 |                    if( p[pixel[13]] < c_b) | 
 |                     if( p[pixel[6]] < c_b) | 
 |                      if( p[pixel[5]] < c_b) | 
 |                       goto is_a_corner; | 
 |                      else | 
 |                       if( p[pixel[14]] < c_b) | 
 |                        goto is_a_corner; | 
 |                       else | 
 |                        goto is_not_a_corner; | 
 |                     else | 
 |                      if( p[pixel[14]] < c_b) | 
 |                       if( p[pixel[15]] < c_b) | 
 |                        goto is_a_corner; | 
 |                       else | 
 |                        goto is_not_a_corner; | 
 |                      else | 
 |                       goto is_not_a_corner; | 
 |                    else | 
 |                     goto is_not_a_corner; | 
 |                   else | 
 |                    goto is_not_a_corner; | 
 |                  else | 
 |                   goto is_not_a_corner; | 
 |                 else | 
 |                  goto is_not_a_corner; | 
 |                else | 
 |                 goto is_not_a_corner; | 
 |               else | 
 |                goto is_not_a_corner; | 
 |              else | 
 |               goto is_not_a_corner; | 
 |            else if( p[pixel[3]] < c_b) | 
 |             if( p[pixel[10]] > cb) | 
 |              if( p[pixel[11]] > cb) | 
 |               if( p[pixel[12]] > cb) | 
 |                if( p[pixel[13]] > cb) | 
 |                 if( p[pixel[14]] > cb) | 
 |                  if( p[pixel[15]] > cb) | 
 |                   goto is_a_corner; | 
 |                  else | 
 |                   if( p[pixel[6]] > cb) | 
 |                    if( p[pixel[7]] > cb) | 
 |                     if( p[pixel[8]] > cb) | 
 |                      if( p[pixel[9]] > cb) | 
 |                       goto is_a_corner; | 
 |                      else | 
 |                       goto is_not_a_corner; | 
 |                     else | 
 |                      goto is_not_a_corner; | 
 |                    else | 
 |                     goto is_not_a_corner; | 
 |                   else | 
 |                    goto is_not_a_corner; | 
 |                 else | 
 |                  if( p[pixel[5]] > cb) | 
 |                   if( p[pixel[6]] > cb) | 
 |                    if( p[pixel[7]] > cb) | 
 |                     if( p[pixel[8]] > cb) | 
 |                      if( p[pixel[9]] > cb) | 
 |                       goto is_a_corner; | 
 |                      else | 
 |                       goto is_not_a_corner; | 
 |                     else | 
 |                      goto is_not_a_corner; | 
 |                    else | 
 |                     goto is_not_a_corner; | 
 |                   else | 
 |                    goto is_not_a_corner; | 
 |                  else | 
 |                   goto is_not_a_corner; | 
 |                else | 
 |                 if( p[pixel[4]] > cb) | 
 |                  if( p[pixel[5]] > cb) | 
 |                   if( p[pixel[6]] > cb) | 
 |                    if( p[pixel[7]] > cb) | 
 |                     if( p[pixel[8]] > cb) | 
 |                      if( p[pixel[9]] > cb) | 
 |                       goto is_a_corner; | 
 |                      else | 
 |                       goto is_not_a_corner; | 
 |                     else | 
 |                      goto is_not_a_corner; | 
 |                    else | 
 |                     goto is_not_a_corner; | 
 |                   else | 
 |                    goto is_not_a_corner; | 
 |                  else | 
 |                   goto is_not_a_corner; | 
 |                 else | 
 |                  goto is_not_a_corner; | 
 |               else | 
 |                goto is_not_a_corner; | 
 |              else | 
 |               goto is_not_a_corner; | 
 |             else if( p[pixel[10]] < c_b) | 
 |              if( p[pixel[7]] < c_b) | 
 |               if( p[pixel[8]] < c_b) | 
 |                if( p[pixel[9]] < c_b) | 
 |                 if( p[pixel[11]] < c_b) | 
 |                  if( p[pixel[6]] < c_b) | 
 |                   if( p[pixel[5]] < c_b) | 
 |                    if( p[pixel[4]] < c_b) | 
 |                     goto is_a_corner; | 
 |                    else | 
 |                     if( p[pixel[12]] < c_b) | 
 |                      if( p[pixel[13]] < c_b) | 
 |                       goto is_a_corner; | 
 |                      else | 
 |                       goto is_not_a_corner; | 
 |                     else | 
 |                      goto is_not_a_corner; | 
 |                   else | 
 |                    if( p[pixel[12]] < c_b) | 
 |                     if( p[pixel[13]] < c_b) | 
 |                      if( p[pixel[14]] < c_b) | 
 |                       goto is_a_corner; | 
 |                      else | 
 |                       goto is_not_a_corner; | 
 |                     else | 
 |                      goto is_not_a_corner; | 
 |                    else | 
 |                     goto is_not_a_corner; | 
 |                  else | 
 |                   if( p[pixel[12]] < c_b) | 
 |                    if( p[pixel[13]] < c_b) | 
 |                     if( p[pixel[14]] < c_b) | 
 |                      if( p[pixel[15]] < c_b) | 
 |                       goto is_a_corner; | 
 |                      else | 
 |                       goto is_not_a_corner; | 
 |                     else | 
 |                      goto is_not_a_corner; | 
 |                    else | 
 |                     goto is_not_a_corner; | 
 |                   else | 
 |                    goto is_not_a_corner; | 
 |                 else | 
 |                  goto is_not_a_corner; | 
 |                else | 
 |                 goto is_not_a_corner; | 
 |               else | 
 |                goto is_not_a_corner; | 
 |              else | 
 |               goto is_not_a_corner; | 
 |             else | 
 |              goto is_not_a_corner; | 
 |            else | 
 |             if( p[pixel[10]] > cb) | 
 |              if( p[pixel[11]] > cb) | 
 |               if( p[pixel[12]] > cb) | 
 |                if( p[pixel[13]] > cb) | 
 |                 if( p[pixel[14]] > cb) | 
 |                  if( p[pixel[15]] > cb) | 
 |                   goto is_a_corner; | 
 |                  else | 
 |                   if( p[pixel[6]] > cb) | 
 |                    if( p[pixel[7]] > cb) | 
 |                     if( p[pixel[8]] > cb) | 
 |                      if( p[pixel[9]] > cb) | 
 |                       goto is_a_corner; | 
 |                      else | 
 |                       goto is_not_a_corner; | 
 |                     else | 
 |                      goto is_not_a_corner; | 
 |                    else | 
 |                     goto is_not_a_corner; | 
 |                   else | 
 |                    goto is_not_a_corner; | 
 |                 else | 
 |                  if( p[pixel[5]] > cb) | 
 |                   if( p[pixel[6]] > cb) | 
 |                    if( p[pixel[7]] > cb) | 
 |                     if( p[pixel[8]] > cb) | 
 |                      if( p[pixel[9]] > cb) | 
 |                       goto is_a_corner; | 
 |                      else | 
 |                       goto is_not_a_corner; | 
 |                     else | 
 |                      goto is_not_a_corner; | 
 |                    else | 
 |                     goto is_not_a_corner; | 
 |                   else | 
 |                    goto is_not_a_corner; | 
 |                  else | 
 |                   goto is_not_a_corner; | 
 |                else | 
 |                 if( p[pixel[4]] > cb) | 
 |                  if( p[pixel[5]] > cb) | 
 |                   if( p[pixel[6]] > cb) | 
 |                    if( p[pixel[7]] > cb) | 
 |                     if( p[pixel[8]] > cb) | 
 |                      if( p[pixel[9]] > cb) | 
 |                       goto is_a_corner; | 
 |                      else | 
 |                       goto is_not_a_corner; | 
 |                     else | 
 |                      goto is_not_a_corner; | 
 |                    else | 
 |                     goto is_not_a_corner; | 
 |                   else | 
 |                    goto is_not_a_corner; | 
 |                  else | 
 |                   goto is_not_a_corner; | 
 |                 else | 
 |                  goto is_not_a_corner; | 
 |               else | 
 |                goto is_not_a_corner; | 
 |              else | 
 |               goto is_not_a_corner; | 
 |             else if( p[pixel[10]] < c_b) | 
 |              if( p[pixel[7]] < c_b) | 
 |               if( p[pixel[8]] < c_b) | 
 |                if( p[pixel[9]] < c_b) | 
 |                 if( p[pixel[11]] < c_b) | 
 |                  if( p[pixel[12]] < c_b) | 
 |                   if( p[pixel[6]] < c_b) | 
 |                    if( p[pixel[5]] < c_b) | 
 |                     if( p[pixel[4]] < c_b) | 
 |                      goto is_a_corner; | 
 |                     else | 
 |                      if( p[pixel[13]] < c_b) | 
 |                       goto is_a_corner; | 
 |                      else | 
 |                       goto is_not_a_corner; | 
 |                    else | 
 |                     if( p[pixel[13]] < c_b) | 
 |                      if( p[pixel[14]] < c_b) | 
 |                       goto is_a_corner; | 
 |                      else | 
 |                       goto is_not_a_corner; | 
 |                     else | 
 |                      goto is_not_a_corner; | 
 |                   else | 
 |                    if( p[pixel[13]] < c_b) | 
 |                     if( p[pixel[14]] < c_b) | 
 |                      if( p[pixel[15]] < c_b) | 
 |                       goto is_a_corner; | 
 |                      else | 
 |                       goto is_not_a_corner; | 
 |                     else | 
 |                      goto is_not_a_corner; | 
 |                    else | 
 |                     goto is_not_a_corner; | 
 |                  else | 
 |                   goto is_not_a_corner; | 
 |                 else | 
 |                  goto is_not_a_corner; | 
 |                else | 
 |                 goto is_not_a_corner; | 
 |               else | 
 |                goto is_not_a_corner; | 
 |              else | 
 |               goto is_not_a_corner; | 
 |             else | 
 |              goto is_not_a_corner; | 
 |           else if( p[pixel[2]] < c_b) | 
 |            if( p[pixel[9]] > cb) | 
 |             if( p[pixel[10]] > cb) | 
 |              if( p[pixel[11]] > cb) | 
 |               if( p[pixel[12]] > cb) | 
 |                if( p[pixel[13]] > cb) | 
 |                 if( p[pixel[14]] > cb) | 
 |                  if( p[pixel[15]] > cb) | 
 |                   goto is_a_corner; | 
 |                  else | 
 |                   if( p[pixel[6]] > cb) | 
 |                    if( p[pixel[7]] > cb) | 
 |                     if( p[pixel[8]] > cb) | 
 |                      goto is_a_corner; | 
 |                     else | 
 |                      goto is_not_a_corner; | 
 |                    else | 
 |                     goto is_not_a_corner; | 
 |                   else | 
 |                    goto is_not_a_corner; | 
 |                 else | 
 |                  if( p[pixel[5]] > cb) | 
 |                   if( p[pixel[6]] > cb) | 
 |                    if( p[pixel[7]] > cb) | 
 |                     if( p[pixel[8]] > cb) | 
 |                      goto is_a_corner; | 
 |                     else | 
 |                      goto is_not_a_corner; | 
 |                    else | 
 |                     goto is_not_a_corner; | 
 |                   else | 
 |                    goto is_not_a_corner; | 
 |                  else | 
 |                   goto is_not_a_corner; | 
 |                else | 
 |                 if( p[pixel[4]] > cb) | 
 |                  if( p[pixel[5]] > cb) | 
 |                   if( p[pixel[6]] > cb) | 
 |                    if( p[pixel[7]] > cb) | 
 |                     if( p[pixel[8]] > cb) | 
 |                      goto is_a_corner; | 
 |                     else | 
 |                      goto is_not_a_corner; | 
 |                    else | 
 |                     goto is_not_a_corner; | 
 |                   else | 
 |                    goto is_not_a_corner; | 
 |                  else | 
 |                   goto is_not_a_corner; | 
 |                 else | 
 |                  goto is_not_a_corner; | 
 |               else | 
 |                if( p[pixel[3]] > cb) | 
 |                 if( p[pixel[4]] > cb) | 
 |                  if( p[pixel[5]] > cb) | 
 |                   if( p[pixel[6]] > cb) | 
 |                    if( p[pixel[7]] > cb) | 
 |                     if( p[pixel[8]] > cb) | 
 |                      goto is_a_corner; | 
 |                     else | 
 |                      goto is_not_a_corner; | 
 |                    else | 
 |                     goto is_not_a_corner; | 
 |                   else | 
 |                    goto is_not_a_corner; | 
 |                  else | 
 |                   goto is_not_a_corner; | 
 |                 else | 
 |                  goto is_not_a_corner; | 
 |                else | 
 |                 goto is_not_a_corner; | 
 |              else | 
 |               goto is_not_a_corner; | 
 |             else | 
 |              goto is_not_a_corner; | 
 |            else if( p[pixel[9]] < c_b) | 
 |             if( p[pixel[7]] < c_b) | 
 |              if( p[pixel[8]] < c_b) | 
 |               if( p[pixel[10]] < c_b) | 
 |                if( p[pixel[6]] < c_b) | 
 |                 if( p[pixel[5]] < c_b) | 
 |                  if( p[pixel[4]] < c_b) | 
 |                   if( p[pixel[3]] < c_b) | 
 |                    goto is_a_corner; | 
 |                   else | 
 |                    if( p[pixel[11]] < c_b) | 
 |                     if( p[pixel[12]] < c_b) | 
 |                      goto is_a_corner; | 
 |                     else | 
 |                      goto is_not_a_corner; | 
 |                    else | 
 |                     goto is_not_a_corner; | 
 |                  else | 
 |                   if( p[pixel[11]] < c_b) | 
 |                    if( p[pixel[12]] < c_b) | 
 |                     if( p[pixel[13]] < c_b) | 
 |                      goto is_a_corner; | 
 |                     else | 
 |                      goto is_not_a_corner; | 
 |                    else | 
 |                     goto is_not_a_corner; | 
 |                   else | 
 |                    goto is_not_a_corner; | 
 |                 else | 
 |                  if( p[pixel[11]] < c_b) | 
 |                   if( p[pixel[12]] < c_b) | 
 |                    if( p[pixel[13]] < c_b) | 
 |                     if( p[pixel[14]] < c_b) | 
 |                      goto is_a_corner; | 
 |                     else | 
 |                      goto is_not_a_corner; | 
 |                    else | 
 |                     goto is_not_a_corner; | 
 |                   else | 
 |                    goto is_not_a_corner; | 
 |                  else | 
 |                   goto is_not_a_corner; | 
 |                else | 
 |                 if( p[pixel[11]] < c_b) | 
 |                  if( p[pixel[12]] < c_b) | 
 |                   if( p[pixel[13]] < c_b) | 
 |                    if( p[pixel[14]] < c_b) | 
 |                     if( p[pixel[15]] < c_b) | 
 |                      goto is_a_corner; | 
 |                     else | 
 |                      goto is_not_a_corner; | 
 |                    else | 
 |                     goto is_not_a_corner; | 
 |                   else | 
 |                    goto is_not_a_corner; | 
 |                  else | 
 |                   goto is_not_a_corner; | 
 |                 else | 
 |                  goto is_not_a_corner; | 
 |               else | 
 |                goto is_not_a_corner; | 
 |              else | 
 |               goto is_not_a_corner; | 
 |             else | 
 |              goto is_not_a_corner; | 
 |            else | 
 |             goto is_not_a_corner; | 
 |           else | 
 |            if( p[pixel[9]] > cb) | 
 |             if( p[pixel[10]] > cb) | 
 |              if( p[pixel[11]] > cb) | 
 |               if( p[pixel[12]] > cb) | 
 |                if( p[pixel[13]] > cb) | 
 |                 if( p[pixel[14]] > cb) | 
 |                  if( p[pixel[15]] > cb) | 
 |                   goto is_a_corner; | 
 |                  else | 
 |                   if( p[pixel[6]] > cb) | 
 |                    if( p[pixel[7]] > cb) | 
 |                     if( p[pixel[8]] > cb) | 
 |                      goto is_a_corner; | 
 |                     else | 
 |                      goto is_not_a_corner; | 
 |                    else | 
 |                     goto is_not_a_corner; | 
 |                   else | 
 |                    goto is_not_a_corner; | 
 |                 else | 
 |                  if( p[pixel[5]] > cb) | 
 |                   if( p[pixel[6]] > cb) | 
 |                    if( p[pixel[7]] > cb) | 
 |                     if( p[pixel[8]] > cb) | 
 |                      goto is_a_corner; | 
 |                     else | 
 |                      goto is_not_a_corner; | 
 |                    else | 
 |                     goto is_not_a_corner; | 
 |                   else | 
 |                    goto is_not_a_corner; | 
 |                  else | 
 |                   goto is_not_a_corner; | 
 |                else | 
 |                 if( p[pixel[4]] > cb) | 
 |                  if( p[pixel[5]] > cb) | 
 |                   if( p[pixel[6]] > cb) | 
 |                    if( p[pixel[7]] > cb) | 
 |                     if( p[pixel[8]] > cb) | 
 |                      goto is_a_corner; | 
 |                     else | 
 |                      goto is_not_a_corner; | 
 |                    else | 
 |                     goto is_not_a_corner; | 
 |                   else | 
 |                    goto is_not_a_corner; | 
 |                  else | 
 |                   goto is_not_a_corner; | 
 |                 else | 
 |                  goto is_not_a_corner; | 
 |               else | 
 |                if( p[pixel[3]] > cb) | 
 |                 if( p[pixel[4]] > cb) | 
 |                  if( p[pixel[5]] > cb) | 
 |                   if( p[pixel[6]] > cb) | 
 |                    if( p[pixel[7]] > cb) | 
 |                     if( p[pixel[8]] > cb) | 
 |                      goto is_a_corner; | 
 |                     else | 
 |                      goto is_not_a_corner; | 
 |                    else | 
 |                     goto is_not_a_corner; | 
 |                   else | 
 |                    goto is_not_a_corner; | 
 |                  else | 
 |                   goto is_not_a_corner; | 
 |                 else | 
 |                  goto is_not_a_corner; | 
 |                else | 
 |                 goto is_not_a_corner; | 
 |              else | 
 |               goto is_not_a_corner; | 
 |             else | 
 |              goto is_not_a_corner; | 
 |            else if( p[pixel[9]] < c_b) | 
 |             if( p[pixel[7]] < c_b) | 
 |              if( p[pixel[8]] < c_b) | 
 |               if( p[pixel[10]] < c_b) | 
 |                if( p[pixel[11]] < c_b) | 
 |                 if( p[pixel[6]] < c_b) | 
 |                  if( p[pixel[5]] < c_b) | 
 |                   if( p[pixel[4]] < c_b) | 
 |                    if( p[pixel[3]] < c_b) | 
 |                     goto is_a_corner; | 
 |                    else | 
 |                     if( p[pixel[12]] < c_b) | 
 |                      goto is_a_corner; | 
 |                     else | 
 |                      goto is_not_a_corner; | 
 |                   else | 
 |                    if( p[pixel[12]] < c_b) | 
 |                     if( p[pixel[13]] < c_b) | 
 |                      goto is_a_corner; | 
 |                     else | 
 |                      goto is_not_a_corner; | 
 |                    else | 
 |                     goto is_not_a_corner; | 
 |                  else | 
 |                   if( p[pixel[12]] < c_b) | 
 |                    if( p[pixel[13]] < c_b) | 
 |                     if( p[pixel[14]] < c_b) | 
 |                      goto is_a_corner; | 
 |                     else | 
 |                      goto is_not_a_corner; | 
 |                    else | 
 |                     goto is_not_a_corner; | 
 |                   else | 
 |                    goto is_not_a_corner; | 
 |                 else | 
 |                  if( p[pixel[12]] < c_b) | 
 |                   if( p[pixel[13]] < c_b) | 
 |                    if( p[pixel[14]] < c_b) | 
 |                     if( p[pixel[15]] < c_b) | 
 |                      goto is_a_corner; | 
 |                     else | 
 |                      goto is_not_a_corner; | 
 |                    else | 
 |                     goto is_not_a_corner; | 
 |                   else | 
 |                    goto is_not_a_corner; | 
 |                  else | 
 |                   goto is_not_a_corner; | 
 |                else | 
 |                 goto is_not_a_corner; | 
 |               else | 
 |                goto is_not_a_corner; | 
 |              else | 
 |               goto is_not_a_corner; | 
 |             else | 
 |              goto is_not_a_corner; | 
 |            else | 
 |             goto is_not_a_corner; | 
 |          else if( p[pixel[1]] < c_b) | 
 |           if( p[pixel[8]] > cb) | 
 |            if( p[pixel[9]] > cb) | 
 |             if( p[pixel[10]] > cb) | 
 |              if( p[pixel[11]] > cb) | 
 |               if( p[pixel[12]] > cb) | 
 |                if( p[pixel[13]] > cb) | 
 |                 if( p[pixel[14]] > cb) | 
 |                  if( p[pixel[15]] > cb) | 
 |                   goto is_a_corner; | 
 |                  else | 
 |                   if( p[pixel[6]] > cb) | 
 |                    if( p[pixel[7]] > cb) | 
 |                     goto is_a_corner; | 
 |                    else | 
 |                     goto is_not_a_corner; | 
 |                   else | 
 |                    goto is_not_a_corner; | 
 |                 else | 
 |                  if( p[pixel[5]] > cb) | 
 |                   if( p[pixel[6]] > cb) | 
 |                    if( p[pixel[7]] > cb) | 
 |                     goto is_a_corner; | 
 |                    else | 
 |                     goto is_not_a_corner; | 
 |                   else | 
 |                    goto is_not_a_corner; | 
 |                  else | 
 |                   goto is_not_a_corner; | 
 |                else | 
 |                 if( p[pixel[4]] > cb) | 
 |                  if( p[pixel[5]] > cb) | 
 |                   if( p[pixel[6]] > cb) | 
 |                    if( p[pixel[7]] > cb) | 
 |                     goto is_a_corner; | 
 |                    else | 
 |                     goto is_not_a_corner; | 
 |                   else | 
 |                    goto is_not_a_corner; | 
 |                  else | 
 |                   goto is_not_a_corner; | 
 |                 else | 
 |                  goto is_not_a_corner; | 
 |               else | 
 |                if( p[pixel[3]] > cb) | 
 |                 if( p[pixel[4]] > cb) | 
 |                  if( p[pixel[5]] > cb) | 
 |                   if( p[pixel[6]] > cb) | 
 |                    if( p[pixel[7]] > cb) | 
 |                     goto is_a_corner; | 
 |                    else | 
 |                     goto is_not_a_corner; | 
 |                   else | 
 |                    goto is_not_a_corner; | 
 |                  else | 
 |                   goto is_not_a_corner; | 
 |                 else | 
 |                  goto is_not_a_corner; | 
 |                else | 
 |                 goto is_not_a_corner; | 
 |              else | 
 |               if( p[pixel[2]] > cb) | 
 |                if( p[pixel[3]] > cb) | 
 |                 if( p[pixel[4]] > cb) | 
 |                  if( p[pixel[5]] > cb) | 
 |                   if( p[pixel[6]] > cb) | 
 |                    if( p[pixel[7]] > cb) | 
 |                     goto is_a_corner; | 
 |                    else | 
 |                     goto is_not_a_corner; | 
 |                   else | 
 |                    goto is_not_a_corner; | 
 |                  else | 
 |                   goto is_not_a_corner; | 
 |                 else | 
 |                  goto is_not_a_corner; | 
 |                else | 
 |                 goto is_not_a_corner; | 
 |               else | 
 |                goto is_not_a_corner; | 
 |             else | 
 |              goto is_not_a_corner; | 
 |            else | 
 |             goto is_not_a_corner; | 
 |           else if( p[pixel[8]] < c_b) | 
 |            if( p[pixel[7]] < c_b) | 
 |             if( p[pixel[9]] < c_b) | 
 |              if( p[pixel[6]] < c_b) | 
 |               if( p[pixel[5]] < c_b) | 
 |                if( p[pixel[4]] < c_b) | 
 |                 if( p[pixel[3]] < c_b) | 
 |                  if( p[pixel[2]] < c_b) | 
 |                   goto is_a_corner; | 
 |                  else | 
 |                   if( p[pixel[10]] < c_b) | 
 |                    if( p[pixel[11]] < c_b) | 
 |                     goto is_a_corner; | 
 |                    else | 
 |                     goto is_not_a_corner; | 
 |                   else | 
 |                    goto is_not_a_corner; | 
 |                 else | 
 |                  if( p[pixel[10]] < c_b) | 
 |                   if( p[pixel[11]] < c_b) | 
 |                    if( p[pixel[12]] < c_b) | 
 |                     goto is_a_corner; | 
 |                    else | 
 |                     goto is_not_a_corner; | 
 |                   else | 
 |                    goto is_not_a_corner; | 
 |                  else | 
 |                   goto is_not_a_corner; | 
 |                else | 
 |                 if( p[pixel[10]] < c_b) | 
 |                  if( p[pixel[11]] < c_b) | 
 |                   if( p[pixel[12]] < c_b) | 
 |                    if( p[pixel[13]] < c_b) | 
 |                     goto is_a_corner; | 
 |                    else | 
 |                     goto is_not_a_corner; | 
 |                   else | 
 |                    goto is_not_a_corner; | 
 |                  else | 
 |                   goto is_not_a_corner; | 
 |                 else | 
 |                  goto is_not_a_corner; | 
 |               else | 
 |                if( p[pixel[10]] < c_b) | 
 |                 if( p[pixel[11]] < c_b) | 
 |                  if( p[pixel[12]] < c_b) | 
 |                   if( p[pixel[13]] < c_b) | 
 |                    if( p[pixel[14]] < c_b) | 
 |                     goto is_a_corner; | 
 |                    else | 
 |                     goto is_not_a_corner; | 
 |                   else | 
 |                    goto is_not_a_corner; | 
 |                  else | 
 |                   goto is_not_a_corner; | 
 |                 else | 
 |                  goto is_not_a_corner; | 
 |                else | 
 |                 goto is_not_a_corner; | 
 |              else | 
 |               if( p[pixel[10]] < c_b) | 
 |                if( p[pixel[11]] < c_b) | 
 |                 if( p[pixel[12]] < c_b) | 
 |                  if( p[pixel[13]] < c_b) | 
 |                   if( p[pixel[14]] < c_b) | 
 |                    if( p[pixel[15]] < c_b) | 
 |                     goto is_a_corner; | 
 |                    else | 
 |                     goto is_not_a_corner; | 
 |                   else | 
 |                    goto is_not_a_corner; | 
 |                  else | 
 |                   goto is_not_a_corner; | 
 |                 else | 
 |                  goto is_not_a_corner; | 
 |                else | 
 |                 goto is_not_a_corner; | 
 |               else | 
 |                goto is_not_a_corner; | 
 |             else | 
 |              goto is_not_a_corner; | 
 |            else | 
 |             goto is_not_a_corner; | 
 |           else | 
 |            goto is_not_a_corner; | 
 |          else | 
 |           if( p[pixel[8]] > cb) | 
 |            if( p[pixel[9]] > cb) | 
 |             if( p[pixel[10]] > cb) | 
 |              if( p[pixel[11]] > cb) | 
 |               if( p[pixel[12]] > cb) | 
 |                if( p[pixel[13]] > cb) | 
 |                 if( p[pixel[14]] > cb) | 
 |                  if( p[pixel[15]] > cb) | 
 |                   goto is_a_corner; | 
 |                  else | 
 |                   if( p[pixel[6]] > cb) | 
 |                    if( p[pixel[7]] > cb) | 
 |                     goto is_a_corner; | 
 |                    else | 
 |                     goto is_not_a_corner; | 
 |                   else | 
 |                    goto is_not_a_corner; | 
 |                 else | 
 |                  if( p[pixel[5]] > cb) | 
 |                   if( p[pixel[6]] > cb) | 
 |                    if( p[pixel[7]] > cb) | 
 |                     goto is_a_corner; | 
 |                    else | 
 |                     goto is_not_a_corner; | 
 |                   else | 
 |                    goto is_not_a_corner; | 
 |                  else | 
 |                   goto is_not_a_corner; | 
 |                else | 
 |                 if( p[pixel[4]] > cb) | 
 |                  if( p[pixel[5]] > cb) | 
 |                   if( p[pixel[6]] > cb) | 
 |                    if( p[pixel[7]] > cb) | 
 |                     goto is_a_corner; | 
 |                    else | 
 |                     goto is_not_a_corner; | 
 |                   else | 
 |                    goto is_not_a_corner; | 
 |                  else | 
 |                   goto is_not_a_corner; | 
 |                 else | 
 |                  goto is_not_a_corner; | 
 |               else | 
 |                if( p[pixel[3]] > cb) | 
 |                 if( p[pixel[4]] > cb) | 
 |                  if( p[pixel[5]] > cb) | 
 |                   if( p[pixel[6]] > cb) | 
 |                    if( p[pixel[7]] > cb) | 
 |                     goto is_a_corner; | 
 |                    else | 
 |                     goto is_not_a_corner; | 
 |                   else | 
 |                    goto is_not_a_corner; | 
 |                  else | 
 |                   goto is_not_a_corner; | 
 |                 else | 
 |                  goto is_not_a_corner; | 
 |                else | 
 |                 goto is_not_a_corner; | 
 |              else | 
 |               if( p[pixel[2]] > cb) | 
 |                if( p[pixel[3]] > cb) | 
 |                 if( p[pixel[4]] > cb) | 
 |                  if( p[pixel[5]] > cb) | 
 |                   if( p[pixel[6]] > cb) | 
 |                    if( p[pixel[7]] > cb) | 
 |                     goto is_a_corner; | 
 |                    else | 
 |                     goto is_not_a_corner; | 
 |                   else | 
 |                    goto is_not_a_corner; | 
 |                  else | 
 |                   goto is_not_a_corner; | 
 |                 else | 
 |                  goto is_not_a_corner; | 
 |                else | 
 |                 goto is_not_a_corner; | 
 |               else | 
 |                goto is_not_a_corner; | 
 |             else | 
 |              goto is_not_a_corner; | 
 |            else | 
 |             goto is_not_a_corner; | 
 |           else if( p[pixel[8]] < c_b) | 
 |            if( p[pixel[7]] < c_b) | 
 |             if( p[pixel[9]] < c_b) | 
 |              if( p[pixel[10]] < c_b) | 
 |               if( p[pixel[6]] < c_b) | 
 |                if( p[pixel[5]] < c_b) | 
 |                 if( p[pixel[4]] < c_b) | 
 |                  if( p[pixel[3]] < c_b) | 
 |                   if( p[pixel[2]] < c_b) | 
 |                    goto is_a_corner; | 
 |                   else | 
 |                    if( p[pixel[11]] < c_b) | 
 |                     goto is_a_corner; | 
 |                    else | 
 |                     goto is_not_a_corner; | 
 |                  else | 
 |                   if( p[pixel[11]] < c_b) | 
 |                    if( p[pixel[12]] < c_b) | 
 |                     goto is_a_corner; | 
 |                    else | 
 |                     goto is_not_a_corner; | 
 |                   else | 
 |                    goto is_not_a_corner; | 
 |                 else | 
 |                  if( p[pixel[11]] < c_b) | 
 |                   if( p[pixel[12]] < c_b) | 
 |                    if( p[pixel[13]] < c_b) | 
 |                     goto is_a_corner; | 
 |                    else | 
 |                     goto is_not_a_corner; | 
 |                   else | 
 |                    goto is_not_a_corner; | 
 |                  else | 
 |                   goto is_not_a_corner; | 
 |                else | 
 |                 if( p[pixel[11]] < c_b) | 
 |                  if( p[pixel[12]] < c_b) | 
 |                   if( p[pixel[13]] < c_b) | 
 |                    if( p[pixel[14]] < c_b) | 
 |                     goto is_a_corner; | 
 |                    else | 
 |                     goto is_not_a_corner; | 
 |                   else | 
 |                    goto is_not_a_corner; | 
 |                  else | 
 |                   goto is_not_a_corner; | 
 |                 else | 
 |                  goto is_not_a_corner; | 
 |               else | 
 |                if( p[pixel[11]] < c_b) | 
 |                 if( p[pixel[12]] < c_b) | 
 |                  if( p[pixel[13]] < c_b) | 
 |                   if( p[pixel[14]] < c_b) | 
 |                    if( p[pixel[15]] < c_b) | 
 |                     goto is_a_corner; | 
 |                    else | 
 |                     goto is_not_a_corner; | 
 |                   else | 
 |                    goto is_not_a_corner; | 
 |                  else | 
 |                   goto is_not_a_corner; | 
 |                 else | 
 |                  goto is_not_a_corner; | 
 |                else | 
 |                 goto is_not_a_corner; | 
 |              else | 
 |               goto is_not_a_corner; | 
 |             else | 
 |              goto is_not_a_corner; | 
 |            else | 
 |             goto is_not_a_corner; | 
 |           else | 
 |            goto is_not_a_corner; | 
 |         else if( p[pixel[0]] < c_b) | 
 |          if( p[pixel[1]] > cb) | 
 |           if( p[pixel[8]] > cb) | 
 |            if( p[pixel[7]] > cb) | 
 |             if( p[pixel[9]] > cb) | 
 |              if( p[pixel[6]] > cb) | 
 |               if( p[pixel[5]] > cb) | 
 |                if( p[pixel[4]] > cb) | 
 |                 if( p[pixel[3]] > cb) | 
 |                  if( p[pixel[2]] > cb) | 
 |                   goto is_a_corner; | 
 |                  else | 
 |                   if( p[pixel[10]] > cb) | 
 |                    if( p[pixel[11]] > cb) | 
 |                     goto is_a_corner; | 
 |                    else | 
 |                     goto is_not_a_corner; | 
 |                   else | 
 |                    goto is_not_a_corner; | 
 |                 else | 
 |                  if( p[pixel[10]] > cb) | 
 |                   if( p[pixel[11]] > cb) | 
 |                    if( p[pixel[12]] > cb) | 
 |                     goto is_a_corner; | 
 |                    else | 
 |                     goto is_not_a_corner; | 
 |                   else | 
 |                    goto is_not_a_corner; | 
 |                  else | 
 |                   goto is_not_a_corner; | 
 |                else | 
 |                 if( p[pixel[10]] > cb) | 
 |                  if( p[pixel[11]] > cb) | 
 |                   if( p[pixel[12]] > cb) | 
 |                    if( p[pixel[13]] > cb) | 
 |                     goto is_a_corner; | 
 |                    else | 
 |                     goto is_not_a_corner; | 
 |                   else | 
 |                    goto is_not_a_corner; | 
 |                  else | 
 |                   goto is_not_a_corner; | 
 |                 else | 
 |                  goto is_not_a_corner; | 
 |               else | 
 |                if( p[pixel[10]] > cb) | 
 |                 if( p[pixel[11]] > cb) | 
 |                  if( p[pixel[12]] > cb) | 
 |                   if( p[pixel[13]] > cb) | 
 |                    if( p[pixel[14]] > cb) | 
 |                     goto is_a_corner; | 
 |                    else | 
 |                     goto is_not_a_corner; | 
 |                   else | 
 |                    goto is_not_a_corner; | 
 |                  else | 
 |                   goto is_not_a_corner; | 
 |                 else | 
 |                  goto is_not_a_corner; | 
 |                else | 
 |                 goto is_not_a_corner; | 
 |              else | 
 |               if( p[pixel[10]] > cb) | 
 |                if( p[pixel[11]] > cb) | 
 |                 if( p[pixel[12]] > cb) | 
 |                  if( p[pixel[13]] > cb) | 
 |                   if( p[pixel[14]] > cb) | 
 |                    if( p[pixel[15]] > cb) | 
 |                     goto is_a_corner; | 
 |                    else | 
 |                     goto is_not_a_corner; | 
 |                   else | 
 |                    goto is_not_a_corner; | 
 |                  else | 
 |                   goto is_not_a_corner; | 
 |                 else | 
 |                  goto is_not_a_corner; | 
 |                else | 
 |                 goto is_not_a_corner; | 
 |               else | 
 |                goto is_not_a_corner; | 
 |             else | 
 |              goto is_not_a_corner; | 
 |            else | 
 |             goto is_not_a_corner; | 
 |           else if( p[pixel[8]] < c_b) | 
 |            if( p[pixel[9]] < c_b) | 
 |             if( p[pixel[10]] < c_b) | 
 |              if( p[pixel[11]] < c_b) | 
 |               if( p[pixel[12]] < c_b) | 
 |                if( p[pixel[13]] < c_b) | 
 |                 if( p[pixel[14]] < c_b) | 
 |                  if( p[pixel[15]] < c_b) | 
 |                   goto is_a_corner; | 
 |                  else | 
 |                   if( p[pixel[6]] < c_b) | 
 |                    if( p[pixel[7]] < c_b) | 
 |                     goto is_a_corner; | 
 |                    else | 
 |                     goto is_not_a_corner; | 
 |                   else | 
 |                    goto is_not_a_corner; | 
 |                 else | 
 |                  if( p[pixel[5]] < c_b) | 
 |                   if( p[pixel[6]] < c_b) | 
 |                    if( p[pixel[7]] < c_b) | 
 |                     goto is_a_corner; | 
 |                    else | 
 |                     goto is_not_a_corner; | 
 |                   else | 
 |                    goto is_not_a_corner; | 
 |                  else | 
 |                   goto is_not_a_corner; | 
 |                else | 
 |                 if( p[pixel[4]] < c_b) | 
 |                  if( p[pixel[5]] < c_b) | 
 |                   if( p[pixel[6]] < c_b) | 
 |                    if( p[pixel[7]] < c_b) | 
 |                     goto is_a_corner; | 
 |                    else | 
 |                     goto is_not_a_corner; | 
 |                   else | 
 |                    goto is_not_a_corner; | 
 |                  else | 
 |                   goto is_not_a_corner; | 
 |                 else | 
 |                  goto is_not_a_corner; | 
 |               else | 
 |                if( p[pixel[3]] < c_b) | 
 |                 if( p[pixel[4]] < c_b) | 
 |                  if( p[pixel[5]] < c_b) | 
 |                   if( p[pixel[6]] < c_b) | 
 |                    if( p[pixel[7]] < c_b) | 
 |                     goto is_a_corner; | 
 |                    else | 
 |                     goto is_not_a_corner; | 
 |                   else | 
 |                    goto is_not_a_corner; | 
 |                  else | 
 |                   goto is_not_a_corner; | 
 |                 else | 
 |                  goto is_not_a_corner; | 
 |                else | 
 |                 goto is_not_a_corner; | 
 |              else | 
 |               if( p[pixel[2]] < c_b) | 
 |                if( p[pixel[3]] < c_b) | 
 |                 if( p[pixel[4]] < c_b) | 
 |                  if( p[pixel[5]] < c_b) | 
 |                   if( p[pixel[6]] < c_b) | 
 |                    if( p[pixel[7]] < c_b) | 
 |                     goto is_a_corner; | 
 |                    else | 
 |                     goto is_not_a_corner; | 
 |                   else | 
 |                    goto is_not_a_corner; | 
 |                  else | 
 |                   goto is_not_a_corner; | 
 |                 else | 
 |                  goto is_not_a_corner; | 
 |                else | 
 |                 goto is_not_a_corner; | 
 |               else | 
 |                goto is_not_a_corner; | 
 |             else | 
 |              goto is_not_a_corner; | 
 |            else | 
 |             goto is_not_a_corner; | 
 |           else | 
 |            goto is_not_a_corner; | 
 |          else if( p[pixel[1]] < c_b) | 
 |           if( p[pixel[2]] > cb) | 
 |            if( p[pixel[9]] > cb) | 
 |             if( p[pixel[7]] > cb) | 
 |              if( p[pixel[8]] > cb) | 
 |               if( p[pixel[10]] > cb) | 
 |                if( p[pixel[6]] > cb) | 
 |                 if( p[pixel[5]] > cb) | 
 |                  if( p[pixel[4]] > cb) | 
 |                   if( p[pixel[3]] > cb) | 
 |                    goto is_a_corner; | 
 |                   else | 
 |                    if( p[pixel[11]] > cb) | 
 |                     if( p[pixel[12]] > cb) | 
 |                      goto is_a_corner; | 
 |                     else | 
 |                      goto is_not_a_corner; | 
 |                    else | 
 |                     goto is_not_a_corner; | 
 |                  else | 
 |                   if( p[pixel[11]] > cb) | 
 |                    if( p[pixel[12]] > cb) | 
 |                     if( p[pixel[13]] > cb) | 
 |                      goto is_a_corner; | 
 |                     else | 
 |                      goto is_not_a_corner; | 
 |                    else | 
 |                     goto is_not_a_corner; | 
 |                   else | 
 |                    goto is_not_a_corner; | 
 |                 else | 
 |                  if( p[pixel[11]] > cb) | 
 |                   if( p[pixel[12]] > cb) | 
 |                    if( p[pixel[13]] > cb) | 
 |                     if( p[pixel[14]] > cb) | 
 |                      goto is_a_corner; | 
 |                     else | 
 |                      goto is_not_a_corner; | 
 |                    else | 
 |                     goto is_not_a_corner; | 
 |                   else | 
 |                    goto is_not_a_corner; | 
 |                  else | 
 |                   goto is_not_a_corner; | 
 |                else | 
 |                 if( p[pixel[11]] > cb) | 
 |                  if( p[pixel[12]] > cb) | 
 |                   if( p[pixel[13]] > cb) | 
 |                    if( p[pixel[14]] > cb) | 
 |                     if( p[pixel[15]] > cb) | 
 |                      goto is_a_corner; | 
 |                     else | 
 |                      goto is_not_a_corner; | 
 |                    else | 
 |                     goto is_not_a_corner; | 
 |                   else | 
 |                    goto is_not_a_corner; | 
 |                  else | 
 |                   goto is_not_a_corner; | 
 |                 else | 
 |                  goto is_not_a_corner; | 
 |               else | 
 |                goto is_not_a_corner; | 
 |              else | 
 |               goto is_not_a_corner; | 
 |             else | 
 |              goto is_not_a_corner; | 
 |            else if( p[pixel[9]] < c_b) | 
 |             if( p[pixel[10]] < c_b) | 
 |              if( p[pixel[11]] < c_b) | 
 |               if( p[pixel[12]] < c_b) | 
 |                if( p[pixel[13]] < c_b) | 
 |                 if( p[pixel[14]] < c_b) | 
 |                  if( p[pixel[15]] < c_b) | 
 |                   goto is_a_corner; | 
 |                  else | 
 |                   if( p[pixel[6]] < c_b) | 
 |                    if( p[pixel[7]] < c_b) | 
 |                     if( p[pixel[8]] < c_b) | 
 |                      goto is_a_corner; | 
 |                     else | 
 |                      goto is_not_a_corner; | 
 |                    else | 
 |                     goto is_not_a_corner; | 
 |                   else | 
 |                    goto is_not_a_corner; | 
 |                 else | 
 |                  if( p[pixel[5]] < c_b) | 
 |                   if( p[pixel[6]] < c_b) | 
 |                    if( p[pixel[7]] < c_b) | 
 |                     if( p[pixel[8]] < c_b) | 
 |                      goto is_a_corner; | 
 |                     else | 
 |                      goto is_not_a_corner; | 
 |                    else | 
 |                     goto is_not_a_corner; | 
 |                   else | 
 |                    goto is_not_a_corner; | 
 |                  else | 
 |                   goto is_not_a_corner; | 
 |                else | 
 |                 if( p[pixel[4]] < c_b) | 
 |                  if( p[pixel[5]] < c_b) | 
 |                   if( p[pixel[6]] < c_b) | 
 |                    if( p[pixel[7]] < c_b) | 
 |                     if( p[pixel[8]] < c_b) | 
 |                      goto is_a_corner; | 
 |                     else | 
 |                      goto is_not_a_corner; | 
 |                    else | 
 |                     goto is_not_a_corner; | 
 |                   else | 
 |                    goto is_not_a_corner; | 
 |                  else | 
 |                   goto is_not_a_corner; | 
 |                 else | 
 |                  goto is_not_a_corner; | 
 |               else | 
 |                if( p[pixel[3]] < c_b) | 
 |                 if( p[pixel[4]] < c_b) | 
 |                  if( p[pixel[5]] < c_b) | 
 |                   if( p[pixel[6]] < c_b) | 
 |                    if( p[pixel[7]] < c_b) | 
 |                     if( p[pixel[8]] < c_b) | 
 |                      goto is_a_corner; | 
 |                     else | 
 |                      goto is_not_a_corner; | 
 |                    else | 
 |                     goto is_not_a_corner; | 
 |                   else | 
 |                    goto is_not_a_corner; | 
 |                  else | 
 |                   goto is_not_a_corner; | 
 |                 else | 
 |                  goto is_not_a_corner; | 
 |                else | 
 |                 goto is_not_a_corner; | 
 |              else | 
 |               goto is_not_a_corner; | 
 |             else | 
 |              goto is_not_a_corner; | 
 |            else | 
 |             goto is_not_a_corner; | 
 |           else if( p[pixel[2]] < c_b) | 
 |            if( p[pixel[3]] > cb) | 
 |             if( p[pixel[10]] > cb) | 
 |              if( p[pixel[7]] > cb) | 
 |               if( p[pixel[8]] > cb) | 
 |                if( p[pixel[9]] > cb) | 
 |                 if( p[pixel[11]] > cb) | 
 |                  if( p[pixel[6]] > cb) | 
 |                   if( p[pixel[5]] > cb) | 
 |                    if( p[pixel[4]] > cb) | 
 |                     goto is_a_corner; | 
 |                    else | 
 |                     if( p[pixel[12]] > cb) | 
 |                      if( p[pixel[13]] > cb) | 
 |                       goto is_a_corner; | 
 |                      else | 
 |                       goto is_not_a_corner; | 
 |                     else | 
 |                      goto is_not_a_corner; | 
 |                   else | 
 |                    if( p[pixel[12]] > cb) | 
 |                     if( p[pixel[13]] > cb) | 
 |                      if( p[pixel[14]] > cb) | 
 |                       goto is_a_corner; | 
 |                      else | 
 |                       goto is_not_a_corner; | 
 |                     else | 
 |                      goto is_not_a_corner; | 
 |                    else | 
 |                     goto is_not_a_corner; | 
 |                  else | 
 |                   if( p[pixel[12]] > cb) | 
 |                    if( p[pixel[13]] > cb) | 
 |                     if( p[pixel[14]] > cb) | 
 |                      if( p[pixel[15]] > cb) | 
 |                       goto is_a_corner; | 
 |                      else | 
 |                       goto is_not_a_corner; | 
 |                     else | 
 |                      goto is_not_a_corner; | 
 |                    else | 
 |                     goto is_not_a_corner; | 
 |                   else | 
 |                    goto is_not_a_corner; | 
 |                 else | 
 |                  goto is_not_a_corner; | 
 |                else | 
 |                 goto is_not_a_corner; | 
 |               else | 
 |                goto is_not_a_corner; | 
 |              else | 
 |               goto is_not_a_corner; | 
 |             else if( p[pixel[10]] < c_b) | 
 |              if( p[pixel[11]] < c_b) | 
 |               if( p[pixel[12]] < c_b) | 
 |                if( p[pixel[13]] < c_b) | 
 |                 if( p[pixel[14]] < c_b) | 
 |                  if( p[pixel[15]] < c_b) | 
 |                   goto is_a_corner; | 
 |                  else | 
 |                   if( p[pixel[6]] < c_b) | 
 |                    if( p[pixel[7]] < c_b) | 
 |                     if( p[pixel[8]] < c_b) | 
 |                      if( p[pixel[9]] < c_b) | 
 |                       goto is_a_corner; | 
 |                      else | 
 |                       goto is_not_a_corner; | 
 |                     else | 
 |                      goto is_not_a_corner; | 
 |                    else | 
 |                     goto is_not_a_corner; | 
 |                   else | 
 |                    goto is_not_a_corner; | 
 |                 else | 
 |                  if( p[pixel[5]] < c_b) | 
 |                   if( p[pixel[6]] < c_b) | 
 |                    if( p[pixel[7]] < c_b) | 
 |                     if( p[pixel[8]] < c_b) | 
 |                      if( p[pixel[9]] < c_b) | 
 |                       goto is_a_corner; | 
 |                      else | 
 |                       goto is_not_a_corner; | 
 |                     else | 
 |                      goto is_not_a_corner; | 
 |                    else | 
 |                     goto is_not_a_corner; | 
 |                   else | 
 |                    goto is_not_a_corner; | 
 |                  else | 
 |                   goto is_not_a_corner; | 
 |                else | 
 |                 if( p[pixel[4]] < c_b) | 
 |                  if( p[pixel[5]] < c_b) | 
 |                   if( p[pixel[6]] < c_b) | 
 |                    if( p[pixel[7]] < c_b) | 
 |                     if( p[pixel[8]] < c_b) | 
 |                      if( p[pixel[9]] < c_b) | 
 |                       goto is_a_corner; | 
 |                      else | 
 |                       goto is_not_a_corner; | 
 |                     else | 
 |                      goto is_not_a_corner; | 
 |                    else | 
 |                     goto is_not_a_corner; | 
 |                   else | 
 |                    goto is_not_a_corner; | 
 |                  else | 
 |                   goto is_not_a_corner; | 
 |                 else | 
 |                  goto is_not_a_corner; | 
 |               else | 
 |                goto is_not_a_corner; | 
 |              else | 
 |               goto is_not_a_corner; | 
 |             else | 
 |              goto is_not_a_corner; | 
 |            else if( p[pixel[3]] < c_b) | 
 |             if( p[pixel[4]] > cb) | 
 |              if( p[pixel[13]] > cb) | 
 |               if( p[pixel[7]] > cb) | 
 |                if( p[pixel[8]] > cb) | 
 |                 if( p[pixel[9]] > cb) | 
 |                  if( p[pixel[10]] > cb) | 
 |                   if( p[pixel[11]] > cb) | 
 |                    if( p[pixel[12]] > cb) | 
 |                     if( p[pixel[6]] > cb) | 
 |                      if( p[pixel[5]] > cb) | 
 |                       goto is_a_corner; | 
 |                      else | 
 |                       if( p[pixel[14]] > cb) | 
 |                        goto is_a_corner; | 
 |                       else | 
 |                        goto is_not_a_corner; | 
 |                     else | 
 |                      if( p[pixel[14]] > cb) | 
 |                       if( p[pixel[15]] > cb) | 
 |                        goto is_a_corner; | 
 |                       else | 
 |                        goto is_not_a_corner; | 
 |                      else | 
 |                       goto is_not_a_corner; | 
 |                    else | 
 |                     goto is_not_a_corner; | 
 |                   else | 
 |                    goto is_not_a_corner; | 
 |                  else | 
 |                   goto is_not_a_corner; | 
 |                 else | 
 |                  goto is_not_a_corner; | 
 |                else | 
 |                 goto is_not_a_corner; | 
 |               else | 
 |                goto is_not_a_corner; | 
 |              else if( p[pixel[13]] < c_b) | 
 |               if( p[pixel[11]] > cb) | 
 |                if( p[pixel[5]] > cb) | 
 |                 if( p[pixel[6]] > cb) | 
 |                  if( p[pixel[7]] > cb) | 
 |                   if( p[pixel[8]] > cb) | 
 |                    if( p[pixel[9]] > cb) | 
 |                     if( p[pixel[10]] > cb) | 
 |                      if( p[pixel[12]] > cb) | 
 |                       goto is_a_corner; | 
 |                      else | 
 |                       goto is_not_a_corner; | 
 |                     else | 
 |                      goto is_not_a_corner; | 
 |                    else | 
 |                     goto is_not_a_corner; | 
 |                   else | 
 |                    goto is_not_a_corner; | 
 |                  else | 
 |                   goto is_not_a_corner; | 
 |                 else | 
 |                  goto is_not_a_corner; | 
 |                else | 
 |                 goto is_not_a_corner; | 
 |               else if( p[pixel[11]] < c_b) | 
 |                if( p[pixel[12]] < c_b) | 
 |                 if( p[pixel[14]] < c_b) | 
 |                  if( p[pixel[15]] < c_b) | 
 |                   goto is_a_corner; | 
 |                  else | 
 |                   if( p[pixel[6]] < c_b) | 
 |                    if( p[pixel[7]] < c_b) | 
 |                     if( p[pixel[8]] < c_b) | 
 |                      if( p[pixel[9]] < c_b) | 
 |                       if( p[pixel[10]] < c_b) | 
 |                        goto is_a_corner; | 
 |                       else | 
 |                        goto is_not_a_corner; | 
 |                      else | 
 |                       goto is_not_a_corner; | 
 |                     else | 
 |                      goto is_not_a_corner; | 
 |                    else | 
 |                     goto is_not_a_corner; | 
 |                   else | 
 |                    goto is_not_a_corner; | 
 |                 else | 
 |                  if( p[pixel[5]] < c_b) | 
 |                   if( p[pixel[6]] < c_b) | 
 |                    if( p[pixel[7]] < c_b) | 
 |                     if( p[pixel[8]] < c_b) | 
 |                      if( p[pixel[9]] < c_b) | 
 |                       if( p[pixel[10]] < c_b) | 
 |                        goto is_a_corner; | 
 |                       else | 
 |                        goto is_not_a_corner; | 
 |                      else | 
 |                       goto is_not_a_corner; | 
 |                     else | 
 |                      goto is_not_a_corner; | 
 |                    else | 
 |                     goto is_not_a_corner; | 
 |                   else | 
 |                    goto is_not_a_corner; | 
 |                  else | 
 |                   goto is_not_a_corner; | 
 |                else | 
 |                 goto is_not_a_corner; | 
 |               else | 
 |                goto is_not_a_corner; | 
 |              else | 
 |               if( p[pixel[5]] > cb) | 
 |                if( p[pixel[6]] > cb) | 
 |                 if( p[pixel[7]] > cb) | 
 |                  if( p[pixel[8]] > cb) | 
 |                   if( p[pixel[9]] > cb) | 
 |                    if( p[pixel[10]] > cb) | 
 |                     if( p[pixel[11]] > cb) | 
 |                      if( p[pixel[12]] > cb) | 
 |                       goto is_a_corner; | 
 |                      else | 
 |                       goto is_not_a_corner; | 
 |                     else | 
 |                      goto is_not_a_corner; | 
 |                    else | 
 |                     goto is_not_a_corner; | 
 |                   else | 
 |                    goto is_not_a_corner; | 
 |                  else | 
 |                   goto is_not_a_corner; | 
 |                 else | 
 |                  goto is_not_a_corner; | 
 |                else | 
 |                 goto is_not_a_corner; | 
 |               else | 
 |                goto is_not_a_corner; | 
 |             else if( p[pixel[4]] < c_b) | 
 |              if( p[pixel[5]] > cb) | 
 |               if( p[pixel[14]] > cb) | 
 |                if( p[pixel[7]] > cb) | 
 |                 if( p[pixel[8]] > cb) | 
 |                  if( p[pixel[9]] > cb) | 
 |                   if( p[pixel[10]] > cb) | 
 |                    if( p[pixel[11]] > cb) | 
 |                     if( p[pixel[12]] > cb) | 
 |                      if( p[pixel[13]] > cb) | 
 |                       if( p[pixel[6]] > cb) | 
 |                        goto is_a_corner; | 
 |                       else | 
 |                        if( p[pixel[15]] > cb) | 
 |                         goto is_a_corner; | 
 |                        else | 
 |                         goto is_not_a_corner; | 
 |                      else | 
 |                       goto is_not_a_corner; | 
 |                     else | 
 |                      goto is_not_a_corner; | 
 |                    else | 
 |                     goto is_not_a_corner; | 
 |                   else | 
 |                    goto is_not_a_corner; | 
 |                  else | 
 |                   goto is_not_a_corner; | 
 |                 else | 
 |                  goto is_not_a_corner; | 
 |                else | 
 |                 goto is_not_a_corner; | 
 |               else if( p[pixel[14]] < c_b) | 
 |                if( p[pixel[12]] > cb) | 
 |                 if( p[pixel[6]] > cb) | 
 |                  if( p[pixel[7]] > cb) | 
 |                   if( p[pixel[8]] > cb) | 
 |                    if( p[pixel[9]] > cb) | 
 |                     if( p[pixel[10]] > cb) | 
 |                      if( p[pixel[11]] > cb) | 
 |                       if( p[pixel[13]] > cb) | 
 |                        goto is_a_corner; | 
 |                       else | 
 |                        goto is_not_a_corner; | 
 |                      else | 
 |                       goto is_not_a_corner; | 
 |                     else | 
 |                      goto is_not_a_corner; | 
 |                    else | 
 |                     goto is_not_a_corner; | 
 |                   else | 
 |                    goto is_not_a_corner; | 
 |                  else | 
 |                   goto is_not_a_corner; | 
 |                 else | 
 |                  goto is_not_a_corner; | 
 |                else if( p[pixel[12]] < c_b) | 
 |                 if( p[pixel[13]] < c_b) | 
 |                  if( p[pixel[15]] < c_b) | 
 |                   goto is_a_corner; | 
 |                  else | 
 |                   if( p[pixel[6]] < c_b) | 
 |                    if( p[pixel[7]] < c_b) | 
 |                     if( p[pixel[8]] < c_b) | 
 |                      if( p[pixel[9]] < c_b) | 
 |                       if( p[pixel[10]] < c_b) | 
 |                        if( p[pixel[11]] < c_b) | 
 |                         goto is_a_corner; | 
 |                        else | 
 |                         goto is_not_a_corner; | 
 |                       else | 
 |                        goto is_not_a_corner; | 
 |                      else | 
 |                       goto is_not_a_corner; | 
 |                     else | 
 |                      goto is_not_a_corner; | 
 |                    else | 
 |                     goto is_not_a_corner; | 
 |                   else | 
 |                    goto is_not_a_corner; | 
 |                 else | 
 |                  goto is_not_a_corner; | 
 |                else | 
 |                 goto is_not_a_corner; | 
 |               else | 
 |                if( p[pixel[6]] > cb) | 
 |                 if( p[pixel[7]] > cb) | 
 |                  if( p[pixel[8]] > cb) | 
 |                   if( p[pixel[9]] > cb) | 
 |                    if( p[pixel[10]] > cb) | 
 |                     if( p[pixel[11]] > cb) | 
 |                      if( p[pixel[12]] > cb) | 
 |                       if( p[pixel[13]] > cb) | 
 |                        goto is_a_corner; | 
 |                       else | 
 |                        goto is_not_a_corner; | 
 |                      else | 
 |                       goto is_not_a_corner; | 
 |                     else | 
 |                      goto is_not_a_corner; | 
 |                    else | 
 |                     goto is_not_a_corner; | 
 |                   else | 
 |                    goto is_not_a_corner; | 
 |                  else | 
 |                   goto is_not_a_corner; | 
 |                 else | 
 |                  goto is_not_a_corner; | 
 |                else | 
 |                 goto is_not_a_corner; | 
 |              else if( p[pixel[5]] < c_b) | 
 |               if( p[pixel[6]] > cb) | 
 |                if( p[pixel[15]] < c_b) | 
 |                 if( p[pixel[13]] > cb) | 
 |                  if( p[pixel[7]] > cb) | 
 |                   if( p[pixel[8]] > cb) | 
 |                    if( p[pixel[9]] > cb) | 
 |                     if( p[pixel[10]] > cb) | 
 |                      if( p[pixel[11]] > cb) | 
 |                       if( p[pixel[12]] > cb) | 
 |                        if( p[pixel[14]] > cb) | 
 |                         goto is_a_corner; | 
 |                        else | 
 |                         goto is_not_a_corner; | 
 |                       else | 
 |                        goto is_not_a_corner; | 
 |                      else | 
 |                       goto is_not_a_corner; | 
 |                     else | 
 |                      goto is_not_a_corner; | 
 |                    else | 
 |                     goto is_not_a_corner; | 
 |                   else | 
 |                    goto is_not_a_corner; | 
 |                  else | 
 |                   goto is_not_a_corner; | 
 |                 else if( p[pixel[13]] < c_b) | 
 |                  if( p[pixel[14]] < c_b) | 
 |                   goto is_a_corner; | 
 |                  else | 
 |                   goto is_not_a_corner; | 
 |                 else | 
 |                  goto is_not_a_corner; | 
 |                else | 
 |                 if( p[pixel[7]] > cb) | 
 |                  if( p[pixel[8]] > cb) | 
 |                   if( p[pixel[9]] > cb) | 
 |                    if( p[pixel[10]] > cb) | 
 |                     if( p[pixel[11]] > cb) | 
 |                      if( p[pixel[12]] > cb) | 
 |                       if( p[pixel[13]] > cb) | 
 |                        if( p[pixel[14]] > cb) | 
 |                         goto is_a_corner; | 
 |                        else | 
 |                         goto is_not_a_corner; | 
 |                       else | 
 |                        goto is_not_a_corner; | 
 |                      else | 
 |                       goto is_not_a_corner; | 
 |                     else | 
 |                      goto is_not_a_corner; | 
 |                    else | 
 |                     goto is_not_a_corner; | 
 |                   else | 
 |                    goto is_not_a_corner; | 
 |                  else | 
 |                   goto is_not_a_corner; | 
 |                 else | 
 |                  goto is_not_a_corner; | 
 |               else if( p[pixel[6]] < c_b) | 
 |                if( p[pixel[7]] > cb) | 
 |                 if( p[pixel[14]] > cb) | 
 |                  if( p[pixel[8]] > cb) | 
 |                   if( p[pixel[9]] > cb) | 
 |                    if( p[pixel[10]] > cb) | 
 |                     if( p[pixel[11]] > cb) | 
 |                      if( p[pixel[12]] > cb) | 
 |                       if( p[pixel[13]] > cb) | 
 |                        if( p[pixel[15]] > cb) | 
 |                         goto is_a_corner; | 
 |                        else | 
 |                         goto is_not_a_corner; | 
 |                       else | 
 |                        goto is_not_a_corner; | 
 |                      else | 
 |                       goto is_not_a_corner; | 
 |                     else | 
 |                      goto is_not_a_corner; | 
 |                    else | 
 |                     goto is_not_a_corner; | 
 |                   else | 
 |                    goto is_not_a_corner; | 
 |                  else | 
 |                   goto is_not_a_corner; | 
 |                 else if( p[pixel[14]] < c_b) | 
 |                  if( p[pixel[15]] < c_b) | 
 |                   goto is_a_corner; | 
 |                  else | 
 |                   goto is_not_a_corner; | 
 |                 else | 
 |                  goto is_not_a_corner; | 
 |                else if( p[pixel[7]] < c_b) | 
 |                 if( p[pixel[8]] < c_b) | 
 |                  goto is_a_corner; | 
 |                 else | 
 |                  if( p[pixel[15]] < c_b) | 
 |                   goto is_a_corner; | 
 |                  else | 
 |                   goto is_not_a_corner; | 
 |                else | 
 |                 if( p[pixel[14]] < c_b) | 
 |                  if( p[pixel[15]] < c_b) | 
 |                   goto is_a_corner; | 
 |                  else | 
 |                   goto is_not_a_corner; | 
 |                 else | 
 |                  goto is_not_a_corner; | 
 |               else | 
 |                if( p[pixel[13]] > cb) | 
 |                 if( p[pixel[7]] > cb) | 
 |                  if( p[pixel[8]] > cb) | 
 |                   if( p[pixel[9]] > cb) | 
 |                    if( p[pixel[10]] > cb) | 
 |                     if( p[pixel[11]] > cb) | 
 |                      if( p[pixel[12]] > cb) | 
 |                       if( p[pixel[14]] > cb) | 
 |                        if( p[pixel[15]] > cb) | 
 |                         goto is_a_corner; | 
 |                        else | 
 |                         goto is_not_a_corner; | 
 |                       else | 
 |                        goto is_not_a_corner; | 
 |                      else | 
 |                       goto is_not_a_corner; | 
 |                     else | 
 |                      goto is_not_a_corner; | 
 |                    else | 
 |                     goto is_not_a_corner; | 
 |                   else | 
 |                    goto is_not_a_corner; | 
 |                  else | 
 |                   goto is_not_a_corner; | 
 |                 else | 
 |                  goto is_not_a_corner; | 
 |                else if( p[pixel[13]] < c_b) | 
 |                 if( p[pixel[14]] < c_b) | 
 |                  if( p[pixel[15]] < c_b) | 
 |                   goto is_a_corner; | 
 |                  else | 
 |                   goto is_not_a_corner; | 
 |                 else | 
 |                  goto is_not_a_corner; | 
 |                else | 
 |                 goto is_not_a_corner; | 
 |              else | 
 |               if( p[pixel[12]] > cb) | 
 |                if( p[pixel[7]] > cb) | 
 |                 if( p[pixel[8]] > cb) | 
 |                  if( p[pixel[9]] > cb) | 
 |                   if( p[pixel[10]] > cb) | 
 |                    if( p[pixel[11]] > cb) | 
 |                     if( p[pixel[13]] > cb) | 
 |                      if( p[pixel[14]] > cb) | 
 |                       if( p[pixel[6]] > cb) | 
 |                        goto is_a_corner; | 
 |                       else | 
 |                        if( p[pixel[15]] > cb) | 
 |                         goto is_a_corner; | 
 |                        else | 
 |                         goto is_not_a_corner; | 
 |                      else | 
 |                       goto is_not_a_corner; | 
 |                     else | 
 |                      goto is_not_a_corner; | 
 |                    else | 
 |                     goto is_not_a_corner; | 
 |                   else | 
 |                    goto is_not_a_corner; | 
 |                  else | 
 |                   goto is_not_a_corner; | 
 |                 else | 
 |                  goto is_not_a_corner; | 
 |                else | 
 |                 goto is_not_a_corner; | 
 |               else if( p[pixel[12]] < c_b) | 
 |                if( p[pixel[13]] < c_b) | 
 |                 if( p[pixel[14]] < c_b) | 
 |                  if( p[pixel[15]] < c_b) | 
 |                   goto is_a_corner; | 
 |                  else | 
 |                   if( p[pixel[6]] < c_b) | 
 |                    if( p[pixel[7]] < c_b) | 
 |                     if( p[pixel[8]] < c_b) | 
 |                      if( p[pixel[9]] < c_b) | 
 |                       if( p[pixel[10]] < c_b) | 
 |                        if( p[pixel[11]] < c_b) | 
 |                         goto is_a_corner; | 
 |                        else | 
 |                         goto is_not_a_corner; | 
 |                       else | 
 |                        goto is_not_a_corner; | 
 |                      else | 
 |                       goto is_not_a_corner; | 
 |                     else | 
 |                      goto is_not_a_corner; | 
 |                    else | 
 |                     goto is_not_a_corner; | 
 |                   else | 
 |                    goto is_not_a_corner; | 
 |                 else | 
 |                  goto is_not_a_corner; | 
 |                else | 
 |                 goto is_not_a_corner; | 
 |               else | 
 |                goto is_not_a_corner; | 
 |             else | 
 |              if( p[pixel[11]] > cb) | 
 |               if( p[pixel[7]] > cb) | 
 |                if( p[pixel[8]] > cb) | 
 |                 if( p[pixel[9]] > cb) | 
 |                  if( p[pixel[10]] > cb) | 
 |                   if( p[pixel[12]] > cb) | 
 |                    if( p[pixel[13]] > cb) | 
 |                     if( p[pixel[6]] > cb) | 
 |                      if( p[pixel[5]] > cb) | 
 |                       goto is_a_corner; | 
 |                      else | 
 |                       if( p[pixel[14]] > cb) | 
 |                        goto is_a_corner; | 
 |                       else | 
 |                        goto is_not_a_corner; | 
 |                     else | 
 |                      if( p[pixel[14]] > cb) | 
 |                       if( p[pixel[15]] > cb) | 
 |                        goto is_a_corner; | 
 |                       else | 
 |                        goto is_not_a_corner; | 
 |                      else | 
 |                       goto is_not_a_corner; | 
 |                    else | 
 |                     goto is_not_a_corner; | 
 |                   else | 
 |                    goto is_not_a_corner; | 
 |                  else | 
 |                   goto is_not_a_corner; | 
 |                 else | 
 |                  goto is_not_a_corner; | 
 |                else | 
 |                 goto is_not_a_corner; | 
 |               else | 
 |                goto is_not_a_corner; | 
 |              else if( p[pixel[11]] < c_b) | 
 |               if( p[pixel[12]] < c_b) | 
 |                if( p[pixel[13]] < c_b) | 
 |                 if( p[pixel[14]] < c_b) | 
 |                  if( p[pixel[15]] < c_b) | 
 |                   goto is_a_corner; | 
 |                  else | 
 |                   if( p[pixel[6]] < c_b) | 
 |                    if( p[pixel[7]] < c_b) | 
 |                     if( p[pixel[8]] < c_b) | 
 |                      if( p[pixel[9]] < c_b) | 
 |                       if( p[pixel[10]] < c_b) | 
 |                        goto is_a_corner; | 
 |                       else | 
 |                        goto is_not_a_corner; | 
 |                      else | 
 |                       goto is_not_a_corner; | 
 |                     else | 
 |                      goto is_not_a_corner; | 
 |                    else | 
 |                     goto is_not_a_corner; | 
 |                   else | 
 |                    goto is_not_a_corner; | 
 |                 else | 
 |                  if( p[pixel[5]] < c_b) | 
 |                   if( p[pixel[6]] < c_b) | 
 |                    if( p[pixel[7]] < c_b) | 
 |                     if( p[pixel[8]] < c_b) | 
 |                      if( p[pixel[9]] < c_b) | 
 |                       if( p[pixel[10]] < c_b) | 
 |                        goto is_a_corner; | 
 |                       else | 
 |                        goto is_not_a_corner; | 
 |                      else | 
 |                       goto is_not_a_corner; | 
 |                     else | 
 |                      goto is_not_a_corner; | 
 |                    else | 
 |                     goto is_not_a_corner; | 
 |                   else | 
 |                    goto is_not_a_corner; | 
 |                  else | 
 |                   goto is_not_a_corner; | 
 |                else | 
 |                 goto is_not_a_corner; | 
 |               else | 
 |                goto is_not_a_corner; | 
 |              else | 
 |               goto is_not_a_corner; | 
 |            else | 
 |             if( p[pixel[10]] > cb) | 
 |              if( p[pixel[7]] > cb) | 
 |               if( p[pixel[8]] > cb) | 
 |                if( p[pixel[9]] > cb) | 
 |                 if( p[pixel[11]] > cb) | 
 |                  if( p[pixel[12]] > cb) | 
 |                   if( p[pixel[6]] > cb) | 
 |                    if( p[pixel[5]] > cb) | 
 |                     if( p[pixel[4]] > cb) | 
 |                      goto is_a_corner; | 
 |                     else | 
 |                      if( p[pixel[13]] > cb) | 
 |                       goto is_a_corner; | 
 |                      else | 
 |                       goto is_not_a_corner; | 
 |                    else | 
 |                     if( p[pixel[13]] > cb) | 
 |                      if( p[pixel[14]] > cb) | 
 |                       goto is_a_corner; | 
 |                      else | 
 |                       goto is_not_a_corner; | 
 |                     else | 
 |                      goto is_not_a_corner; | 
 |                   else | 
 |                    if( p[pixel[13]] > cb) | 
 |                     if( p[pixel[14]] > cb) | 
 |                      if( p[pixel[15]] > cb) | 
 |                       goto is_a_corner; | 
 |                      else | 
 |                       goto is_not_a_corner; | 
 |                     else | 
 |                      goto is_not_a_corner; | 
 |                    else | 
 |                     goto is_not_a_corner; | 
 |                  else | 
 |                   goto is_not_a_corner; | 
 |                 else | 
 |                  goto is_not_a_corner; | 
 |                else | 
 |                 goto is_not_a_corner; | 
 |               else | 
 |                goto is_not_a_corner; | 
 |              else | 
 |               goto is_not_a_corner; | 
 |             else if( p[pixel[10]] < c_b) | 
 |              if( p[pixel[11]] < c_b) | 
 |               if( p[pixel[12]] < c_b) | 
 |                if( p[pixel[13]] < c_b) | 
 |                 if( p[pixel[14]] < c_b) | 
 |                  if( p[pixel[15]] < c_b) | 
 |                   goto is_a_corner; | 
 |                  else | 
 |                   if( p[pixel[6]] < c_b) | 
 |                    if( p[pixel[7]] < c_b) | 
 |                     if( p[pixel[8]] < c_b) | 
 |                      if( p[pixel[9]] < c_b) | 
 |                       goto is_a_corner; | 
 |                      else | 
 |                       goto is_not_a_corner; | 
 |                     else | 
 |                      goto is_not_a_corner; | 
 |                    else | 
 |                     goto is_not_a_corner; | 
 |                   else | 
 |                    goto is_not_a_corner; | 
 |                 else | 
 |                  if( p[pixel[5]] < c_b) | 
 |                   if( p[pixel[6]] < c_b) | 
 |                    if( p[pixel[7]] < c_b) | 
 |                     if( p[pixel[8]] < c_b) | 
 |                      if( p[pixel[9]] < c_b) | 
 |                       goto is_a_corner; | 
 |                      else | 
 |                       goto is_not_a_corner; | 
 |                     else | 
 |                      goto is_not_a_corner; | 
 |                    else | 
 |                     goto is_not_a_corner; | 
 |                   else | 
 |                    goto is_not_a_corner; | 
 |                  else | 
 |                   goto is_not_a_corner; | 
 |                else | 
 |                 if( p[pixel[4]] < c_b) | 
 |                  if( p[pixel[5]] < c_b) | 
 |                   if( p[pixel[6]] < c_b) | 
 |                    if( p[pixel[7]] < c_b) | 
 |                     if( p[pixel[8]] < c_b) | 
 |                      if( p[pixel[9]] < c_b) | 
 |                       goto is_a_corner; | 
 |                      else | 
 |                       goto is_not_a_corner; | 
 |                     else | 
 |                      goto is_not_a_corner; | 
 |                    else | 
 |                     goto is_not_a_corner; | 
 |                   else | 
 |                    goto is_not_a_corner; | 
 |                  else | 
 |                   goto is_not_a_corner; | 
 |                 else | 
 |                  goto is_not_a_corner; | 
 |               else | 
 |                goto is_not_a_corner; | 
 |              else | 
 |               goto is_not_a_corner; | 
 |             else | 
 |              goto is_not_a_corner; | 
 |           else | 
 |            if( p[pixel[9]] > cb) | 
 |             if( p[pixel[7]] > cb) | 
 |              if( p[pixel[8]] > cb) | 
 |               if( p[pixel[10]] > cb) | 
 |                if( p[pixel[11]] > cb) | 
 |                 if( p[pixel[6]] > cb) | 
 |                  if( p[pixel[5]] > cb) | 
 |                   if( p[pixel[4]] > cb) | 
 |                    if( p[pixel[3]] > cb) | 
 |                     goto is_a_corner; | 
 |                    else | 
 |                     if( p[pixel[12]] > cb) | 
 |                      goto is_a_corner; | 
 |                     else | 
 |                      goto is_not_a_corner; | 
 |                   else | 
 |                    if( p[pixel[12]] > cb) | 
 |                     if( p[pixel[13]] > cb) | 
 |                      goto is_a_corner; | 
 |                     else | 
 |                      goto is_not_a_corner; | 
 |                    else | 
 |                     goto is_not_a_corner; | 
 |                  else | 
 |                   if( p[pixel[12]] > cb) | 
 |                    if( p[pixel[13]] > cb) | 
 |                     if( p[pixel[14]] > cb) | 
 |                      goto is_a_corner; | 
 |                     else | 
 |                      goto is_not_a_corner; | 
 |                    else | 
 |                     goto is_not_a_corner; | 
 |                   else | 
 |                    goto is_not_a_corner; | 
 |                 else | 
 |                  if( p[pixel[12]] > cb) | 
 |                   if( p[pixel[13]] > cb) | 
 |                    if( p[pixel[14]] > cb) | 
 |                     if( p[pixel[15]] > cb) | 
 |                      goto is_a_corner; | 
 |                     else | 
 |                      goto is_not_a_corner; | 
 |                    else | 
 |                     goto is_not_a_corner; | 
 |                   else | 
 |                    goto is_not_a_corner; | 
 |                  else | 
 |                   goto is_not_a_corner; | 
 |                else | 
 |                 goto is_not_a_corner; | 
 |               else | 
 |                goto is_not_a_corner; | 
 |              else | 
 |               goto is_not_a_corner; | 
 |             else | 
 |              goto is_not_a_corner; | 
 |            else if( p[pixel[9]] < c_b) | 
 |             if( p[pixel[10]] < c_b) | 
 |              if( p[pixel[11]] < c_b) | 
 |               if( p[pixel[12]] < c_b) | 
 |                if( p[pixel[13]] < c_b) | 
 |                 if( p[pixel[14]] < c_b) | 
 |                  if( p[pixel[15]] < c_b) | 
 |                   goto is_a_corner; | 
 |                  else | 
 |                   if( p[pixel[6]] < c_b) | 
 |                    if( p[pixel[7]] < c_b) | 
 |                     if( p[pixel[8]] < c_b) | 
 |                      goto is_a_corner; | 
 |                     else | 
 |                      goto is_not_a_corner; | 
 |                    else | 
 |                     goto is_not_a_corner; | 
 |                   else | 
 |                    goto is_not_a_corner; | 
 |                 else | 
 |                  if( p[pixel[5]] < c_b) | 
 |                   if( p[pixel[6]] < c_b) | 
 |                    if( p[pixel[7]] < c_b) | 
 |                     if( p[pixel[8]] < c_b) | 
 |                      goto is_a_corner; | 
 |                     else | 
 |                      goto is_not_a_corner; | 
 |                    else | 
 |                     goto is_not_a_corner; | 
 |                   else | 
 |                    goto is_not_a_corner; | 
 |                  else | 
 |                   goto is_not_a_corner; | 
 |                else | 
 |                 if( p[pixel[4]] < c_b) | 
 |                  if( p[pixel[5]] < c_b) | 
 |                   if( p[pixel[6]] < c_b) | 
 |                    if( p[pixel[7]] < c_b) | 
 |                     if( p[pixel[8]] < c_b) | 
 |                      goto is_a_corner; | 
 |                     else | 
 |                      goto is_not_a_corner; | 
 |                    else | 
 |                     goto is_not_a_corner; | 
 |                   else | 
 |                    goto is_not_a_corner; | 
 |                  else | 
 |                   goto is_not_a_corner; | 
 |                 else | 
 |                  goto is_not_a_corner; | 
 |               else | 
 |                if( p[pixel[3]] < c_b) | 
 |                 if( p[pixel[4]] < c_b) | 
 |                  if( p[pixel[5]] < c_b) | 
 |                   if( p[pixel[6]] < c_b) | 
 |                    if( p[pixel[7]] < c_b) | 
 |                     if( p[pixel[8]] < c_b) | 
 |                      goto is_a_corner; | 
 |                     else | 
 |                      goto is_not_a_corner; | 
 |                    else | 
 |                     goto is_not_a_corner; | 
 |                   else | 
 |                    goto is_not_a_corner; | 
 |                  else | 
 |                   goto is_not_a_corner; | 
 |                 else | 
 |                  goto is_not_a_corner; | 
 |                else | 
 |                 goto is_not_a_corner; | 
 |              else | 
 |               goto is_not_a_corner; | 
 |             else | 
 |              goto is_not_a_corner; | 
 |            else | 
 |             goto is_not_a_corner; | 
 |          else | 
 |           if( p[pixel[8]] > cb) | 
 |            if( p[pixel[7]] > cb) | 
 |             if( p[pixel[9]] > cb) | 
 |              if( p[pixel[10]] > cb) | 
 |               if( p[pixel[6]] > cb) | 
 |                if( p[pixel[5]] > cb) | 
 |                 if( p[pixel[4]] > cb) | 
 |                  if( p[pixel[3]] > cb) | 
 |                   if( p[pixel[2]] > cb) | 
 |                    goto is_a_corner; | 
 |                   else | 
 |                    if( p[pixel[11]] > cb) | 
 |                     goto is_a_corner; | 
 |                    else | 
 |                     goto is_not_a_corner; | 
 |                  else | 
 |                   if( p[pixel[11]] > cb) | 
 |                    if( p[pixel[12]] > cb) | 
 |                     goto is_a_corner; | 
 |                    else | 
 |                     goto is_not_a_corner; | 
 |                   else | 
 |                    goto is_not_a_corner; | 
 |                 else | 
 |                  if( p[pixel[11]] > cb) | 
 |                   if( p[pixel[12]] > cb) | 
 |                    if( p[pixel[13]] > cb) | 
 |                     goto is_a_corner; | 
 |                    else | 
 |                     goto is_not_a_corner; | 
 |                   else | 
 |                    goto is_not_a_corner; | 
 |                  else | 
 |                   goto is_not_a_corner; | 
 |                else | 
 |                 if( p[pixel[11]] > cb) | 
 |                  if( p[pixel[12]] > cb) | 
 |                   if( p[pixel[13]] > cb) | 
 |                    if( p[pixel[14]] > cb) | 
 |                     goto is_a_corner; | 
 |                    else | 
 |                     goto is_not_a_corner; | 
 |                   else | 
 |                    goto is_not_a_corner; | 
 |                  else | 
 |                   goto is_not_a_corner; | 
 |                 else | 
 |                  goto is_not_a_corner; | 
 |               else | 
 |                if( p[pixel[11]] > cb) | 
 |                 if( p[pixel[12]] > cb) | 
 |                  if( p[pixel[13]] > cb) | 
 |                   if( p[pixel[14]] > cb) | 
 |                    if( p[pixel[15]] > cb) | 
 |                     goto is_a_corner; | 
 |                    else | 
 |                     goto is_not_a_corner; | 
 |                   else | 
 |                    goto is_not_a_corner; | 
 |                  else | 
 |                   goto is_not_a_corner; | 
 |                 else | 
 |                  goto is_not_a_corner; | 
 |                else | 
 |                 goto is_not_a_corner; | 
 |              else | 
 |               goto is_not_a_corner; | 
 |             else | 
 |              goto is_not_a_corner; | 
 |            else | 
 |             goto is_not_a_corner; | 
 |           else if( p[pixel[8]] < c_b) | 
 |            if( p[pixel[9]] < c_b) | 
 |             if( p[pixel[10]] < c_b) | 
 |              if( p[pixel[11]] < c_b) | 
 |               if( p[pixel[12]] < c_b) | 
 |                if( p[pixel[13]] < c_b) | 
 |                 if( p[pixel[14]] < c_b) | 
 |                  if( p[pixel[15]] < c_b) | 
 |                   goto is_a_corner; | 
 |                  else | 
 |                   if( p[pixel[6]] < c_b) | 
 |                    if( p[pixel[7]] < c_b) | 
 |                     goto is_a_corner; | 
 |                    else | 
 |                     goto is_not_a_corner; | 
 |                   else | 
 |                    goto is_not_a_corner; | 
 |                 else | 
 |                  if( p[pixel[5]] < c_b) | 
 |                   if( p[pixel[6]] < c_b) | 
 |                    if( p[pixel[7]] < c_b) | 
 |                     goto is_a_corner; | 
 |                    else | 
 |                     goto is_not_a_corner; | 
 |                   else | 
 |                    goto is_not_a_corner; | 
 |                  else | 
 |                   goto is_not_a_corner; | 
 |                else | 
 |                 if( p[pixel[4]] < c_b) | 
 |                  if( p[pixel[5]] < c_b) | 
 |                   if( p[pixel[6]] < c_b) | 
 |                    if( p[pixel[7]] < c_b) | 
 |                     goto is_a_corner; | 
 |                    else | 
 |                     goto is_not_a_corner; | 
 |                   else | 
 |                    goto is_not_a_corner; | 
 |                  else | 
 |                   goto is_not_a_corner; | 
 |                 else | 
 |                  goto is_not_a_corner; | 
 |               else | 
 |                if( p[pixel[3]] < c_b) | 
 |                 if( p[pixel[4]] < c_b) | 
 |                  if( p[pixel[5]] < c_b) | 
 |                   if( p[pixel[6]] < c_b) | 
 |                    if( p[pixel[7]] < c_b) | 
 |                     goto is_a_corner; | 
 |                    else | 
 |                     goto is_not_a_corner; | 
 |                   else | 
 |                    goto is_not_a_corner; | 
 |                  else | 
 |                   goto is_not_a_corner; | 
 |                 else | 
 |                  goto is_not_a_corner; | 
 |                else | 
 |                 goto is_not_a_corner; | 
 |              else | 
 |               if( p[pixel[2]] < c_b) | 
 |                if( p[pixel[3]] < c_b) | 
 |                 if( p[pixel[4]] < c_b) | 
 |                  if( p[pixel[5]] < c_b) | 
 |                   if( p[pixel[6]] < c_b) | 
 |                    if( p[pixel[7]] < c_b) | 
 |                     goto is_a_corner; | 
 |                    else | 
 |                     goto is_not_a_corner; | 
 |                   else | 
 |                    goto is_not_a_corner; | 
 |                  else | 
 |                   goto is_not_a_corner; | 
 |                 else | 
 |                  goto is_not_a_corner; | 
 |                else | 
 |                 goto is_not_a_corner; | 
 |               else | 
 |                goto is_not_a_corner; | 
 |             else | 
 |              goto is_not_a_corner; | 
 |            else | 
 |             goto is_not_a_corner; | 
 |           else | 
 |            goto is_not_a_corner; | 
 |         else | 
 |          if( p[pixel[7]] > cb) | 
 |           if( p[pixel[8]] > cb) | 
 |            if( p[pixel[9]] > cb) | 
 |             if( p[pixel[6]] > cb) | 
 |              if( p[pixel[5]] > cb) | 
 |               if( p[pixel[4]] > cb) | 
 |                if( p[pixel[3]] > cb) | 
 |                 if( p[pixel[2]] > cb) | 
 |                  if( p[pixel[1]] > cb) | 
 |                   goto is_a_corner; | 
 |                  else | 
 |                   if( p[pixel[10]] > cb) | 
 |                    goto is_a_corner; | 
 |                   else | 
 |                    goto is_not_a_corner; | 
 |                 else | 
 |                  if( p[pixel[10]] > cb) | 
 |                   if( p[pixel[11]] > cb) | 
 |                    goto is_a_corner; | 
 |                   else | 
 |                    goto is_not_a_corner; | 
 |                  else | 
 |                   goto is_not_a_corner; | 
 |                else | 
 |                 if( p[pixel[10]] > cb) | 
 |                  if( p[pixel[11]] > cb) | 
 |                   if( p[pixel[12]] > cb) | 
 |                    goto is_a_corner; | 
 |                   else | 
 |                    goto is_not_a_corner; | 
 |                  else | 
 |                   goto is_not_a_corner; | 
 |                 else | 
 |                  goto is_not_a_corner; | 
 |               else | 
 |                if( p[pixel[10]] > cb) | 
 |                 if( p[pixel[11]] > cb) | 
 |                  if( p[pixel[12]] > cb) | 
 |                   if( p[pixel[13]] > cb) | 
 |                    goto is_a_corner; | 
 |                   else | 
 |                    goto is_not_a_corner; | 
 |                  else | 
 |                   goto is_not_a_corner; | 
 |                 else | 
 |                  goto is_not_a_corner; | 
 |                else | 
 |                 goto is_not_a_corner; | 
 |              else | 
 |               if( p[pixel[10]] > cb) | 
 |                if( p[pixel[11]] > cb) | 
 |                 if( p[pixel[12]] > cb) | 
 |                  if( p[pixel[13]] > cb) | 
 |                   if( p[pixel[14]] > cb) | 
 |                    goto is_a_corner; | 
 |                   else | 
 |                    goto is_not_a_corner; | 
 |                  else | 
 |                   goto is_not_a_corner; | 
 |                 else | 
 |                  goto is_not_a_corner; | 
 |                else | 
 |                 goto is_not_a_corner; | 
 |               else | 
 |                goto is_not_a_corner; | 
 |             else | 
 |              if( p[pixel[10]] > cb) | 
 |               if( p[pixel[11]] > cb) | 
 |                if( p[pixel[12]] > cb) | 
 |                 if( p[pixel[13]] > cb) | 
 |                  if( p[pixel[14]] > cb) | 
 |                   if( p[pixel[15]] > cb) | 
 |                    goto is_a_corner; | 
 |                   else | 
 |                    goto is_not_a_corner; | 
 |                  else | 
 |                   goto is_not_a_corner; | 
 |                 else | 
 |                  goto is_not_a_corner; | 
 |                else | 
 |                 goto is_not_a_corner; | 
 |               else | 
 |                goto is_not_a_corner; | 
 |              else | 
 |               goto is_not_a_corner; | 
 |            else | 
 |             goto is_not_a_corner; | 
 |           else | 
 |            goto is_not_a_corner; | 
 |          else if( p[pixel[7]] < c_b) | 
 |           if( p[pixel[8]] < c_b) | 
 |            if( p[pixel[9]] < c_b) | 
 |             if( p[pixel[6]] < c_b) | 
 |              if( p[pixel[5]] < c_b) | 
 |               if( p[pixel[4]] < c_b) | 
 |                if( p[pixel[3]] < c_b) | 
 |                 if( p[pixel[2]] < c_b) | 
 |                  if( p[pixel[1]] < c_b) | 
 |                   goto is_a_corner; | 
 |                  else | 
 |                   if( p[pixel[10]] < c_b) | 
 |                    goto is_a_corner; | 
 |                   else | 
 |                    goto is_not_a_corner; | 
 |                 else | 
 |                  if( p[pixel[10]] < c_b) | 
 |                   if( p[pixel[11]] < c_b) | 
 |                    goto is_a_corner; | 
 |                   else | 
 |                    goto is_not_a_corner; | 
 |                  else | 
 |                   goto is_not_a_corner; | 
 |                else | 
 |                 if( p[pixel[10]] < c_b) | 
 |                  if( p[pixel[11]] < c_b) | 
 |                   if( p[pixel[12]] < c_b) | 
 |                    goto is_a_corner; | 
 |                   else | 
 |                    goto is_not_a_corner; | 
 |                  else | 
 |                   goto is_not_a_corner; | 
 |                 else | 
 |                  goto is_not_a_corner; | 
 |               else | 
 |                if( p[pixel[10]] < c_b) | 
 |                 if( p[pixel[11]] < c_b) | 
 |                  if( p[pixel[12]] < c_b) | 
 |                   if( p[pixel[13]] < c_b) | 
 |                    goto is_a_corner; | 
 |                   else | 
 |                    goto is_not_a_corner; | 
 |                  else | 
 |                   goto is_not_a_corner; | 
 |                 else | 
 |                  goto is_not_a_corner; | 
 |                else | 
 |                 goto is_not_a_corner; | 
 |              else | 
 |               if( p[pixel[10]] < c_b) | 
 |                if( p[pixel[11]] < c_b) | 
 |                 if( p[pixel[12]] < c_b) | 
 |                  if( p[pixel[13]] < c_b) | 
 |                   if( p[pixel[14]] < c_b) | 
 |                    goto is_a_corner; | 
 |                   else | 
 |                    goto is_not_a_corner; | 
 |                  else | 
 |                   goto is_not_a_corner; | 
 |                 else | 
 |                  goto is_not_a_corner; | 
 |                else | 
 |                 goto is_not_a_corner; | 
 |               else | 
 |                goto is_not_a_corner; | 
 |             else | 
 |              if( p[pixel[10]] < c_b) | 
 |               if( p[pixel[11]] < c_b) | 
 |                if( p[pixel[12]] < c_b) | 
 |                 if( p[pixel[13]] < c_b) | 
 |                  if( p[pixel[14]] < c_b) | 
 |                   if( p[pixel[15]] < c_b) | 
 |                    goto is_a_corner; | 
 |                   else | 
 |                    goto is_not_a_corner; | 
 |                  else | 
 |                   goto is_not_a_corner; | 
 |                 else | 
 |                  goto is_not_a_corner; | 
 |                else | 
 |                 goto is_not_a_corner; | 
 |               else | 
 |                goto is_not_a_corner; | 
 |              else | 
 |               goto is_not_a_corner; | 
 |            else | 
 |             goto is_not_a_corner; | 
 |           else | 
 |            goto is_not_a_corner; | 
 |          else | 
 |           goto is_not_a_corner; | 
 |  | 
 | 		is_a_corner: | 
 | 			bmin=b; | 
 | 			goto end_if; | 
 |  | 
 | 		is_not_a_corner: | 
 | 			bmax=b; | 
 | 			goto end_if; | 
 |  | 
 | 		end_if: | 
 |  | 
 | 		if(bmin == bmax - 1 || bmin == bmax) | 
 | 			return bmin; | 
 | 		b = (bmin + bmax) / 2; | 
 |     } | 
 | } | 
 |  | 
 | static void make_offsets(int pixel[], int row_stride) | 
 | { | 
 |         pixel[0] = 0 + row_stride * 3; | 
 |         pixel[1] = 1 + row_stride * 3; | 
 |         pixel[2] = 2 + row_stride * 2; | 
 |         pixel[3] = 3 + row_stride * 1; | 
 |         pixel[4] = 3 + row_stride * 0; | 
 |         pixel[5] = 3 + row_stride * -1; | 
 |         pixel[6] = 2 + row_stride * -2; | 
 |         pixel[7] = 1 + row_stride * -3; | 
 |         pixel[8] = 0 + row_stride * -3; | 
 |         pixel[9] = -1 + row_stride * -3; | 
 |         pixel[10] = -2 + row_stride * -2; | 
 |         pixel[11] = -3 + row_stride * -1; | 
 |         pixel[12] = -3 + row_stride * 0; | 
 |         pixel[13] = -3 + row_stride * 1; | 
 |         pixel[14] = -2 + row_stride * 2; | 
 |         pixel[15] = -1 + row_stride * 3; | 
 | } | 
 |  | 
 |  | 
 |  | 
 | int* fast9_score(const byte* i, int stride, xy* corners, int num_corners, int b) | 
 | { | 
 | 	int* scores = (int*)malloc(sizeof(int)* num_corners); | 
 | 	int n; | 
 |  | 
 | 	int pixel[16]; | 
 | 	make_offsets(pixel, stride); | 
 |  | 
 |     for(n=0; n < num_corners; n++) | 
 |         scores[n] = fast9_corner_score(i + corners[n].y*stride + corners[n].x, pixel, b); | 
 |  | 
 | 	return scores; | 
 | } | 
 |  | 
 |  | 
 | xy* fast9_detect(const byte* im, int xsize, int ysize, int stride, int b, int* ret_num_corners) | 
 | { | 
 | 	int num_corners=0; | 
 | 	xy* ret_corners; | 
 | 	int rsize=512; | 
 | 	int pixel[16]; | 
 | 	int x, y; | 
 |  | 
 | 	ret_corners = (xy*)malloc(sizeof(xy)*rsize); | 
 | 	make_offsets(pixel, stride); | 
 |  | 
 | 	for(y=3; y < ysize - 3; y++) | 
 | 		for(x=3; x < xsize - 3; x++) | 
 | 		{ | 
 | 			const byte* p = im + y*stride + x; | 
 |  | 
 | 			int cb = *p + b; | 
 | 			int c_b= *p - b; | 
 |         if(p[pixel[0]] > cb) | 
 |          if(p[pixel[1]] > cb) | 
 |           if(p[pixel[2]] > cb) | 
 |            if(p[pixel[3]] > cb) | 
 |             if(p[pixel[4]] > cb) | 
 |              if(p[pixel[5]] > cb) | 
 |               if(p[pixel[6]] > cb) | 
 |                if(p[pixel[7]] > cb) | 
 |                 if(p[pixel[8]] > cb) | 
 |                  {} | 
 |                 else | 
 |                  if(p[pixel[15]] > cb) | 
 |                   {} | 
 |                  else | 
 |                   continue; | 
 |                else if(p[pixel[7]] < c_b) | 
 |                 if(p[pixel[14]] > cb) | 
 |                  if(p[pixel[15]] > cb) | 
 |                   {} | 
 |                  else | 
 |                   continue; | 
 |                 else if(p[pixel[14]] < c_b) | 
 |                  if(p[pixel[8]] < c_b) | 
 |                   if(p[pixel[9]] < c_b) | 
 |                    if(p[pixel[10]] < c_b) | 
 |                     if(p[pixel[11]] < c_b) | 
 |                      if(p[pixel[12]] < c_b) | 
 |                       if(p[pixel[13]] < c_b) | 
 |                        if(p[pixel[15]] < c_b) | 
 |                         {} | 
 |                        else | 
 |                         continue; | 
 |                       else | 
 |                        continue; | 
 |                      else | 
 |                       continue; | 
 |                     else | 
 |                      continue; | 
 |                    else | 
 |                     continue; | 
 |                   else | 
 |                    continue; | 
 |                  else | 
 |                   continue; | 
 |                 else | 
 |                  continue; | 
 |                else | 
 |                 if(p[pixel[14]] > cb) | 
 |                  if(p[pixel[15]] > cb) | 
 |                   {} | 
 |                  else | 
 |                   continue; | 
 |                 else | 
 |                  continue; | 
 |               else if(p[pixel[6]] < c_b) | 
 |                if(p[pixel[15]] > cb) | 
 |                 if(p[pixel[13]] > cb) | 
 |                  if(p[pixel[14]] > cb) | 
 |                   {} | 
 |                  else | 
 |                   continue; | 
 |                 else if(p[pixel[13]] < c_b) | 
 |                  if(p[pixel[7]] < c_b) | 
 |                   if(p[pixel[8]] < c_b) | 
 |                    if(p[pixel[9]] < c_b) | 
 |                     if(p[pixel[10]] < c_b) | 
 |                      if(p[pixel[11]] < c_b) | 
 |                       if(p[pixel[12]] < c_b) | 
 |                        if(p[pixel[14]] < c_b) | 
 |                         {} | 
 |                        else | 
 |                         continue; | 
 |                       else | 
 |                        continue; | 
 |                      else | 
 |                       continue; | 
 |                     else | 
 |                      continue; | 
 |                    else | 
 |                     continue; | 
 |                   else | 
 |                    continue; | 
 |                  else | 
 |                   continue; | 
 |                 else | 
 |                  continue; | 
 |                else | 
 |                 if(p[pixel[7]] < c_b) | 
 |                  if(p[pixel[8]] < c_b) | 
 |                   if(p[pixel[9]] < c_b) | 
 |                    if(p[pixel[10]] < c_b) | 
 |                     if(p[pixel[11]] < c_b) | 
 |                      if(p[pixel[12]] < c_b) | 
 |                       if(p[pixel[13]] < c_b) | 
 |                        if(p[pixel[14]] < c_b) | 
 |                         {} | 
 |                        else | 
 |                         continue; | 
 |                       else | 
 |                        continue; | 
 |                      else | 
 |                       continue; | 
 |                     else | 
 |                      continue; | 
 |                    else | 
 |                     continue; | 
 |                   else | 
 |                    continue; | 
 |                  else | 
 |                   continue; | 
 |                 else | 
 |                  continue; | 
 |               else | 
 |                if(p[pixel[13]] > cb) | 
 |                 if(p[pixel[14]] > cb) | 
 |                  if(p[pixel[15]] > cb) | 
 |                   {} | 
 |                  else | 
 |                   continue; | 
 |                 else | 
 |                  continue; | 
 |                else if(p[pixel[13]] < c_b) | 
 |                 if(p[pixel[7]] < c_b) | 
 |                  if(p[pixel[8]] < c_b) | 
 |                   if(p[pixel[9]] < c_b) | 
 |                    if(p[pixel[10]] < c_b) | 
 |                     if(p[pixel[11]] < c_b) | 
 |                      if(p[pixel[12]] < c_b) | 
 |                       if(p[pixel[14]] < c_b) | 
 |                        if(p[pixel[15]] < c_b) | 
 |                         {} | 
 |                        else | 
 |                         continue; | 
 |                       else | 
 |                        continue; | 
 |                      else | 
 |                       continue; | 
 |                     else | 
 |                      continue; | 
 |                    else | 
 |                     continue; | 
 |                   else | 
 |                    continue; | 
 |                  else | 
 |                   continue; | 
 |                 else | 
 |                  continue; | 
 |                else | 
 |                 continue; | 
 |              else if(p[pixel[5]] < c_b) | 
 |               if(p[pixel[14]] > cb) | 
 |                if(p[pixel[12]] > cb) | 
 |                 if(p[pixel[13]] > cb) | 
 |                  if(p[pixel[15]] > cb) | 
 |                   {} | 
 |                  else | 
 |                   if(p[pixel[6]] > cb) | 
 |                    if(p[pixel[7]] > cb) | 
 |                     if(p[pixel[8]] > cb) | 
 |                      if(p[pixel[9]] > cb) | 
 |                       if(p[pixel[10]] > cb) | 
 |                        if(p[pixel[11]] > cb) | 
 |                         {} | 
 |                        else | 
 |                         continue; | 
 |                       else | 
 |                        continue; | 
 |                      else | 
 |                       continue; | 
 |                     else | 
 |                      continue; | 
 |                    else | 
 |                     continue; | 
 |                   else | 
 |                    continue; | 
 |                 else | 
 |                  continue; | 
 |                else if(p[pixel[12]] < c_b) | 
 |                 if(p[pixel[6]] < c_b) | 
 |                  if(p[pixel[7]] < c_b) | 
 |                   if(p[pixel[8]] < c_b) | 
 |                    if(p[pixel[9]] < c_b) | 
 |                     if(p[pixel[10]] < c_b) | 
 |                      if(p[pixel[11]] < c_b) | 
 |                       if(p[pixel[13]] < c_b) | 
 |                        {} | 
 |                       else | 
 |                        continue; | 
 |                      else | 
 |                       continue; | 
 |                     else | 
 |                      continue; | 
 |                    else | 
 |                     continue; | 
 |                   else | 
 |                    continue; | 
 |                  else | 
 |                   continue; | 
 |                 else | 
 |                  continue; | 
 |                else | 
 |                 continue; | 
 |               else if(p[pixel[14]] < c_b) | 
 |                if(p[pixel[7]] < c_b) | 
 |                 if(p[pixel[8]] < c_b) | 
 |                  if(p[pixel[9]] < c_b) | 
 |                   if(p[pixel[10]] < c_b) | 
 |                    if(p[pixel[11]] < c_b) | 
 |                     if(p[pixel[12]] < c_b) | 
 |                      if(p[pixel[13]] < c_b) | 
 |                       if(p[pixel[6]] < c_b) | 
 |                        {} | 
 |                       else | 
 |                        if(p[pixel[15]] < c_b) | 
 |                         {} | 
 |                        else | 
 |                         continue; | 
 |                      else | 
 |                       continue; | 
 |                     else | 
 |                      continue; | 
 |                    else | 
 |                     continue; | 
 |                   else | 
 |                    continue; | 
 |                  else | 
 |                   continue; | 
 |                 else | 
 |                  continue; | 
 |                else | 
 |                 continue; | 
 |               else | 
 |                if(p[pixel[6]] < c_b) | 
 |                 if(p[pixel[7]] < c_b) | 
 |                  if(p[pixel[8]] < c_b) | 
 |                   if(p[pixel[9]] < c_b) | 
 |                    if(p[pixel[10]] < c_b) | 
 |                     if(p[pixel[11]] < c_b) | 
 |                      if(p[pixel[12]] < c_b) | 
 |                       if(p[pixel[13]] < c_b) | 
 |                        {} | 
 |                       else | 
 |                        continue; | 
 |                      else | 
 |                       continue; | 
 |                     else | 
 |                      continue; | 
 |                    else | 
 |                     continue; | 
 |                   else | 
 |                    continue; | 
 |                  else | 
 |                   continue; | 
 |                 else | 
 |                  continue; | 
 |                else | 
 |                 continue; | 
 |              else | 
 |               if(p[pixel[12]] > cb) | 
 |                if(p[pixel[13]] > cb) | 
 |                 if(p[pixel[14]] > cb) | 
 |                  if(p[pixel[15]] > cb) | 
 |                   {} | 
 |                  else | 
 |                   if(p[pixel[6]] > cb) | 
 |                    if(p[pixel[7]] > cb) | 
 |                     if(p[pixel[8]] > cb) | 
 |                      if(p[pixel[9]] > cb) | 
 |                       if(p[pixel[10]] > cb) | 
 |                        if(p[pixel[11]] > cb) | 
 |                         {} | 
 |                        else | 
 |                         continue; | 
 |                       else | 
 |                        continue; | 
 |                      else | 
 |                       continue; | 
 |                     else | 
 |                      continue; | 
 |                    else | 
 |                     continue; | 
 |                   else | 
 |                    continue; | 
 |                 else | 
 |                  continue; | 
 |                else | 
 |                 continue; | 
 |               else if(p[pixel[12]] < c_b) | 
 |                if(p[pixel[7]] < c_b) | 
 |                 if(p[pixel[8]] < c_b) | 
 |                  if(p[pixel[9]] < c_b) | 
 |                   if(p[pixel[10]] < c_b) | 
 |                    if(p[pixel[11]] < c_b) | 
 |                     if(p[pixel[13]] < c_b) | 
 |                      if(p[pixel[14]] < c_b) | 
 |                       if(p[pixel[6]] < c_b) | 
 |                        {} | 
 |                       else | 
 |                        if(p[pixel[15]] < c_b) | 
 |                         {} | 
 |                        else | 
 |                         continue; | 
 |                      else | 
 |                       continue; | 
 |                     else | 
 |                      continue; | 
 |                    else | 
 |                     continue; | 
 |                   else | 
 |                    continue; | 
 |                  else | 
 |                   continue; | 
 |                 else | 
 |                  continue; | 
 |                else | 
 |                 continue; | 
 |               else | 
 |                continue; | 
 |             else if(p[pixel[4]] < c_b) | 
 |              if(p[pixel[13]] > cb) | 
 |               if(p[pixel[11]] > cb) | 
 |                if(p[pixel[12]] > cb) | 
 |                 if(p[pixel[14]] > cb) | 
 |                  if(p[pixel[15]] > cb) | 
 |                   {} | 
 |                  else | 
 |                   if(p[pixel[6]] > cb) | 
 |                    if(p[pixel[7]] > cb) | 
 |                     if(p[pixel[8]] > cb) | 
 |                      if(p[pixel[9]] > cb) | 
 |                       if(p[pixel[10]] > cb) | 
 |                        {} | 
 |                       else | 
 |                        continue; | 
 |                      else | 
 |                       continue; | 
 |                     else | 
 |                      continue; | 
 |                    else | 
 |                     continue; | 
 |                   else | 
 |                    continue; | 
 |                 else | 
 |                  if(p[pixel[5]] > cb) | 
 |                   if(p[pixel[6]] > cb) | 
 |                    if(p[pixel[7]] > cb) | 
 |                     if(p[pixel[8]] > cb) | 
 |                      if(p[pixel[9]] > cb) | 
 |                       if(p[pixel[10]] > cb) | 
 |                        {} | 
 |                       else | 
 |                        continue; | 
 |                      else | 
 |                       continue; | 
 |                     else | 
 |                      continue; | 
 |                    else | 
 |                     continue; | 
 |                   else | 
 |                    continue; | 
 |                  else | 
 |                   continue; | 
 |                else | 
 |                 continue; | 
 |               else if(p[pixel[11]] < c_b) | 
 |                if(p[pixel[5]] < c_b) | 
 |                 if(p[pixel[6]] < c_b) | 
 |                  if(p[pixel[7]] < c_b) | 
 |                   if(p[pixel[8]] < c_b) | 
 |                    if(p[pixel[9]] < c_b) | 
 |                     if(p[pixel[10]] < c_b) | 
 |                      if(p[pixel[12]] < c_b) | 
 |                       {} | 
 |                      else | 
 |                       continue; | 
 |                     else | 
 |                      continue; | 
 |                    else | 
 |                     continue; | 
 |                   else | 
 |                    continue; | 
 |                  else | 
 |                   continue; | 
 |                 else | 
 |                  continue; | 
 |                else | 
 |                 continue; | 
 |               else | 
 |                continue; | 
 |              else if(p[pixel[13]] < c_b) | 
 |               if(p[pixel[7]] < c_b) | 
 |                if(p[pixel[8]] < c_b) | 
 |                 if(p[pixel[9]] < c_b) | 
 |                  if(p[pixel[10]] < c_b) | 
 |                   if(p[pixel[11]] < c_b) | 
 |                    if(p[pixel[12]] < c_b) | 
 |                     if(p[pixel[6]] < c_b) | 
 |                      if(p[pixel[5]] < c_b) | 
 |                       {} | 
 |                      else | 
 |                       if(p[pixel[14]] < c_b) | 
 |                        {} | 
 |                       else | 
 |                        continue; | 
 |                     else | 
 |                      if(p[pixel[14]] < c_b) | 
 |                       if(p[pixel[15]] < c_b) | 
 |                        {} | 
 |                       else | 
 |                        continue; | 
 |                      else | 
 |                       continue; | 
 |                    else | 
 |                     continue; | 
 |                   else | 
 |                    continue; | 
 |                  else | 
 |                   continue; | 
 |                 else | 
 |                  continue; | 
 |                else | 
 |                 continue; | 
 |               else | 
 |                continue; | 
 |              else | 
 |               if(p[pixel[5]] < c_b) | 
 |                if(p[pixel[6]] < c_b) | 
 |                 if(p[pixel[7]] < c_b) | 
 |                  if(p[pixel[8]] < c_b) | 
 |                   if(p[pixel[9]] < c_b) | 
 |                    if(p[pixel[10]] < c_b) | 
 |                     if(p[pixel[11]] < c_b) | 
 |                      if(p[pixel[12]] < c_b) | 
 |                       {} | 
 |                      else | 
 |                       continue; | 
 |                     else | 
 |                      continue; | 
 |                    else | 
 |                     continue; | 
 |                   else | 
 |                    continue; | 
 |                  else | 
 |                   continue; | 
 |                 else | 
 |                  continue; | 
 |                else | 
 |                 continue; | 
 |               else | 
 |                continue; | 
 |             else | 
 |              if(p[pixel[11]] > cb) | 
 |               if(p[pixel[12]] > cb) | 
 |                if(p[pixel[13]] > cb) | 
 |                 if(p[pixel[14]] > cb) | 
 |                  if(p[pixel[15]] > cb) | 
 |                   {} | 
 |                  else | 
 |                   if(p[pixel[6]] > cb) | 
 |                    if(p[pixel[7]] > cb) | 
 |                     if(p[pixel[8]] > cb) | 
 |                      if(p[pixel[9]] > cb) | 
 |                       if(p[pixel[10]] > cb) | 
 |                        {} | 
 |                       else | 
 |                        continue; | 
 |                      else | 
 |                       continue; | 
 |                     else | 
 |                      continue; | 
 |                    else | 
 |                     continue; | 
 |                   else | 
 |                    continue; | 
 |                 else | 
 |                  if(p[pixel[5]] > cb) | 
 |                   if(p[pixel[6]] > cb) | 
 |                    if(p[pixel[7]] > cb) | 
 |                     if(p[pixel[8]] > cb) | 
 |                      if(p[pixel[9]] > cb) | 
 |                       if(p[pixel[10]] > cb) | 
 |                        {} | 
 |                       else | 
 |                        continue; | 
 |                      else | 
 |                       continue; | 
 |                     else | 
 |                      continue; | 
 |                    else | 
 |                     continue; | 
 |                   else | 
 |                    continue; | 
 |                  else | 
 |                   continue; | 
 |                else | 
 |                 continue; | 
 |               else | 
 |                continue; | 
 |              else if(p[pixel[11]] < c_b) | 
 |               if(p[pixel[7]] < c_b) | 
 |                if(p[pixel[8]] < c_b) | 
 |                 if(p[pixel[9]] < c_b) | 
 |                  if(p[pixel[10]] < c_b) | 
 |                   if(p[pixel[12]] < c_b) | 
 |                    if(p[pixel[13]] < c_b) | 
 |                     if(p[pixel[6]] < c_b) | 
 |                      if(p[pixel[5]] < c_b) | 
 |                       {} | 
 |                      else | 
 |                       if(p[pixel[14]] < c_b) | 
 |                        {} | 
 |                       else | 
 |                        continue; | 
 |                     else | 
 |                      if(p[pixel[14]] < c_b) | 
 |                       if(p[pixel[15]] < c_b) | 
 |                        {} | 
 |                       else | 
 |                        continue; | 
 |                      else | 
 |                       continue; | 
 |                    else | 
 |                     continue; | 
 |                   else | 
 |                    continue; | 
 |                  else | 
 |                   continue; | 
 |                 else | 
 |                  continue; | 
 |                else | 
 |                 continue; | 
 |               else | 
 |                continue; | 
 |              else | 
 |               continue; | 
 |            else if(p[pixel[3]] < c_b) | 
 |             if(p[pixel[10]] > cb) | 
 |              if(p[pixel[11]] > cb) | 
 |               if(p[pixel[12]] > cb) | 
 |                if(p[pixel[13]] > cb) | 
 |                 if(p[pixel[14]] > cb) | 
 |                  if(p[pixel[15]] > cb) | 
 |                   {} | 
 |                  else | 
 |                   if(p[pixel[6]] > cb) | 
 |                    if(p[pixel[7]] > cb) | 
 |                     if(p[pixel[8]] > cb) | 
 |                      if(p[pixel[9]] > cb) | 
 |                       {} | 
 |                      else | 
 |                       continue; | 
 |                     else | 
 |                      continue; | 
 |                    else | 
 |                     continue; | 
 |                   else | 
 |                    continue; | 
 |                 else | 
 |                  if(p[pixel[5]] > cb) | 
 |                   if(p[pixel[6]] > cb) | 
 |                    if(p[pixel[7]] > cb) | 
 |                     if(p[pixel[8]] > cb) | 
 |                      if(p[pixel[9]] > cb) | 
 |                       {} | 
 |                      else | 
 |                       continue; | 
 |                     else | 
 |                      continue; | 
 |                    else | 
 |                     continue; | 
 |                   else | 
 |                    continue; | 
 |                  else | 
 |                   continue; | 
 |                else | 
 |                 if(p[pixel[4]] > cb) | 
 |                  if(p[pixel[5]] > cb) | 
 |                   if(p[pixel[6]] > cb) | 
 |                    if(p[pixel[7]] > cb) | 
 |                     if(p[pixel[8]] > cb) | 
 |                      if(p[pixel[9]] > cb) | 
 |                       {} | 
 |                      else | 
 |                       continue; | 
 |                     else | 
 |                      continue; | 
 |                    else | 
 |                     continue; | 
 |                   else | 
 |                    continue; | 
 |                  else | 
 |                   continue; | 
 |                 else | 
 |                  continue; | 
 |               else | 
 |                continue; | 
 |              else | 
 |               continue; | 
 |             else if(p[pixel[10]] < c_b) | 
 |              if(p[pixel[7]] < c_b) | 
 |               if(p[pixel[8]] < c_b) | 
 |                if(p[pixel[9]] < c_b) | 
 |                 if(p[pixel[11]] < c_b) | 
 |                  if(p[pixel[6]] < c_b) | 
 |                   if(p[pixel[5]] < c_b) | 
 |                    if(p[pixel[4]] < c_b) | 
 |                     {} | 
 |                    else | 
 |                     if(p[pixel[12]] < c_b) | 
 |                      if(p[pixel[13]] < c_b) | 
 |                       {} | 
 |                      else | 
 |                       continue; | 
 |                     else | 
 |                      continue; | 
 |                   else | 
 |                    if(p[pixel[12]] < c_b) | 
 |                     if(p[pixel[13]] < c_b) | 
 |                      if(p[pixel[14]] < c_b) | 
 |                       {} | 
 |                      else | 
 |                       continue; | 
 |                     else | 
 |                      continue; | 
 |                    else | 
 |                     continue; | 
 |                  else | 
 |                   if(p[pixel[12]] < c_b) | 
 |                    if(p[pixel[13]] < c_b) | 
 |                     if(p[pixel[14]] < c_b) | 
 |                      if(p[pixel[15]] < c_b) | 
 |                       {} | 
 |                      else | 
 |                       continue; | 
 |                     else | 
 |                      continue; | 
 |                    else | 
 |                     continue; | 
 |                   else | 
 |                    continue; | 
 |                 else | 
 |                  continue; | 
 |                else | 
 |                 continue; | 
 |               else | 
 |                continue; | 
 |              else | 
 |               continue; | 
 |             else | 
 |              continue; | 
 |            else | 
 |             if(p[pixel[10]] > cb) | 
 |              if(p[pixel[11]] > cb) | 
 |               if(p[pixel[12]] > cb) | 
 |                if(p[pixel[13]] > cb) | 
 |                 if(p[pixel[14]] > cb) | 
 |                  if(p[pixel[15]] > cb) | 
 |                   {} | 
 |                  else | 
 |                   if(p[pixel[6]] > cb) | 
 |                    if(p[pixel[7]] > cb) | 
 |                     if(p[pixel[8]] > cb) | 
 |                      if(p[pixel[9]] > cb) | 
 |                       {} | 
 |                      else | 
 |                       continue; | 
 |                     else | 
 |                      continue; | 
 |                    else | 
 |                     continue; | 
 |                   else | 
 |                    continue; | 
 |                 else | 
 |                  if(p[pixel[5]] > cb) | 
 |                   if(p[pixel[6]] > cb) | 
 |                    if(p[pixel[7]] > cb) | 
 |                     if(p[pixel[8]] > cb) | 
 |                      if(p[pixel[9]] > cb) | 
 |                       {} | 
 |                      else | 
 |                       continue; | 
 |                     else | 
 |                      continue; | 
 |                    else | 
 |                     continue; | 
 |                   else | 
 |                    continue; | 
 |                  else | 
 |                   continue; | 
 |                else | 
 |                 if(p[pixel[4]] > cb) | 
 |                  if(p[pixel[5]] > cb) | 
 |                   if(p[pixel[6]] > cb) | 
 |                    if(p[pixel[7]] > cb) | 
 |                     if(p[pixel[8]] > cb) | 
 |                      if(p[pixel[9]] > cb) | 
 |                       {} | 
 |                      else | 
 |                       continue; | 
 |                     else | 
 |                      continue; | 
 |                    else | 
 |                     continue; | 
 |                   else | 
 |                    continue; | 
 |                  else | 
 |                   continue; | 
 |                 else | 
 |                  continue; | 
 |               else | 
 |                continue; | 
 |              else | 
 |               continue; | 
 |             else if(p[pixel[10]] < c_b) | 
 |              if(p[pixel[7]] < c_b) | 
 |               if(p[pixel[8]] < c_b) | 
 |                if(p[pixel[9]] < c_b) | 
 |                 if(p[pixel[11]] < c_b) | 
 |                  if(p[pixel[12]] < c_b) | 
 |                   if(p[pixel[6]] < c_b) | 
 |                    if(p[pixel[5]] < c_b) | 
 |                     if(p[pixel[4]] < c_b) | 
 |                      {} | 
 |                     else | 
 |                      if(p[pixel[13]] < c_b) | 
 |                       {} | 
 |                      else | 
 |                       continue; | 
 |                    else | 
 |                     if(p[pixel[13]] < c_b) | 
 |                      if(p[pixel[14]] < c_b) | 
 |                       {} | 
 |                      else | 
 |                       continue; | 
 |                     else | 
 |                      continue; | 
 |                   else | 
 |                    if(p[pixel[13]] < c_b) | 
 |                     if(p[pixel[14]] < c_b) | 
 |                      if(p[pixel[15]] < c_b) | 
 |                       {} | 
 |                      else | 
 |                       continue; | 
 |                     else | 
 |                      continue; | 
 |                    else | 
 |                     continue; | 
 |                  else | 
 |                   continue; | 
 |                 else | 
 |                  continue; | 
 |                else | 
 |                 continue; | 
 |               else | 
 |                continue; | 
 |              else | 
 |               continue; | 
 |             else | 
 |              continue; | 
 |           else if(p[pixel[2]] < c_b) | 
 |            if(p[pixel[9]] > cb) | 
 |             if(p[pixel[10]] > cb) | 
 |              if(p[pixel[11]] > cb) | 
 |               if(p[pixel[12]] > cb) | 
 |                if(p[pixel[13]] > cb) | 
 |                 if(p[pixel[14]] > cb) | 
 |                  if(p[pixel[15]] > cb) | 
 |                   {} | 
 |                  else | 
 |                   if(p[pixel[6]] > cb) | 
 |                    if(p[pixel[7]] > cb) | 
 |                     if(p[pixel[8]] > cb) | 
 |                      {} | 
 |                     else | 
 |                      continue; | 
 |                    else | 
 |                     continue; | 
 |                   else | 
 |                    continue; | 
 |                 else | 
 |                  if(p[pixel[5]] > cb) | 
 |                   if(p[pixel[6]] > cb) | 
 |                    if(p[pixel[7]] > cb) | 
 |                     if(p[pixel[8]] > cb) | 
 |                      {} | 
 |                     else | 
 |                      continue; | 
 |                    else | 
 |                     continue; | 
 |                   else | 
 |                    continue; | 
 |                  else | 
 |                   continue; | 
 |                else | 
 |                 if(p[pixel[4]] > cb) | 
 |                  if(p[pixel[5]] > cb) | 
 |                   if(p[pixel[6]] > cb) | 
 |                    if(p[pixel[7]] > cb) | 
 |                     if(p[pixel[8]] > cb) | 
 |                      {} | 
 |                     else | 
 |                      continue; | 
 |                    else | 
 |                     continue; | 
 |                   else | 
 |                    continue; | 
 |                  else | 
 |                   continue; | 
 |                 else | 
 |                  continue; | 
 |               else | 
 |                if(p[pixel[3]] > cb) | 
 |                 if(p[pixel[4]] > cb) | 
 |                  if(p[pixel[5]] > cb) | 
 |                   if(p[pixel[6]] > cb) | 
 |                    if(p[pixel[7]] > cb) | 
 |                     if(p[pixel[8]] > cb) | 
 |                      {} | 
 |                     else | 
 |                      continue; | 
 |                    else | 
 |                     continue; | 
 |                   else | 
 |                    continue; | 
 |                  else | 
 |                   continue; | 
 |                 else | 
 |                  continue; | 
 |                else | 
 |                 continue; | 
 |              else | 
 |               continue; | 
 |             else | 
 |              continue; | 
 |            else if(p[pixel[9]] < c_b) | 
 |             if(p[pixel[7]] < c_b) | 
 |              if(p[pixel[8]] < c_b) | 
 |               if(p[pixel[10]] < c_b) | 
 |                if(p[pixel[6]] < c_b) | 
 |                 if(p[pixel[5]] < c_b) | 
 |                  if(p[pixel[4]] < c_b) | 
 |                   if(p[pixel[3]] < c_b) | 
 |                    {} | 
 |                   else | 
 |                    if(p[pixel[11]] < c_b) | 
 |                     if(p[pixel[12]] < c_b) | 
 |                      {} | 
 |                     else | 
 |                      continue; | 
 |                    else | 
 |                     continue; | 
 |                  else | 
 |                   if(p[pixel[11]] < c_b) | 
 |                    if(p[pixel[12]] < c_b) | 
 |                     if(p[pixel[13]] < c_b) | 
 |                      {} | 
 |                     else | 
 |                      continue; | 
 |                    else | 
 |                     continue; | 
 |                   else | 
 |                    continue; | 
 |                 else | 
 |                  if(p[pixel[11]] < c_b) | 
 |                   if(p[pixel[12]] < c_b) | 
 |                    if(p[pixel[13]] < c_b) | 
 |                     if(p[pixel[14]] < c_b) | 
 |                      {} | 
 |                     else | 
 |                      continue; | 
 |                    else | 
 |                     continue; | 
 |                   else | 
 |                    continue; | 
 |                  else | 
 |                   continue; | 
 |                else | 
 |                 if(p[pixel[11]] < c_b) | 
 |                  if(p[pixel[12]] < c_b) | 
 |                   if(p[pixel[13]] < c_b) | 
 |                    if(p[pixel[14]] < c_b) | 
 |                     if(p[pixel[15]] < c_b) | 
 |                      {} | 
 |                     else | 
 |                      continue; | 
 |                    else | 
 |                     continue; | 
 |                   else | 
 |                    continue; | 
 |                  else | 
 |                   continue; | 
 |                 else | 
 |                  continue; | 
 |               else | 
 |                continue; | 
 |              else | 
 |               continue; | 
 |             else | 
 |              continue; | 
 |            else | 
 |             continue; | 
 |           else | 
 |            if(p[pixel[9]] > cb) | 
 |             if(p[pixel[10]] > cb) | 
 |              if(p[pixel[11]] > cb) | 
 |               if(p[pixel[12]] > cb) | 
 |                if(p[pixel[13]] > cb) | 
 |                 if(p[pixel[14]] > cb) | 
 |                  if(p[pixel[15]] > cb) | 
 |                   {} | 
 |                  else | 
 |                   if(p[pixel[6]] > cb) | 
 |                    if(p[pixel[7]] > cb) | 
 |                     if(p[pixel[8]] > cb) | 
 |                      {} | 
 |                     else | 
 |                      continue; | 
 |                    else | 
 |                     continue; | 
 |                   else | 
 |                    continue; | 
 |                 else | 
 |                  if(p[pixel[5]] > cb) | 
 |                   if(p[pixel[6]] > cb) | 
 |                    if(p[pixel[7]] > cb) | 
 |                     if(p[pixel[8]] > cb) | 
 |                      {} | 
 |                     else | 
 |                      continue; | 
 |                    else | 
 |                     continue; | 
 |                   else | 
 |                    continue; | 
 |                  else | 
 |                   continue; | 
 |                else | 
 |                 if(p[pixel[4]] > cb) | 
 |                  if(p[pixel[5]] > cb) | 
 |                   if(p[pixel[6]] > cb) | 
 |                    if(p[pixel[7]] > cb) | 
 |                     if(p[pixel[8]] > cb) | 
 |                      {} | 
 |                     else | 
 |                      continue; | 
 |                    else | 
 |                     continue; | 
 |                   else | 
 |                    continue; | 
 |                  else | 
 |                   continue; | 
 |                 else | 
 |                  continue; | 
 |               else | 
 |                if(p[pixel[3]] > cb) | 
 |                 if(p[pixel[4]] > cb) | 
 |                  if(p[pixel[5]] > cb) | 
 |                   if(p[pixel[6]] > cb) | 
 |                    if(p[pixel[7]] > cb) | 
 |                     if(p[pixel[8]] > cb) | 
 |                      {} | 
 |                     else | 
 |                      continue; | 
 |                    else | 
 |                     continue; | 
 |                   else | 
 |                    continue; | 
 |                  else | 
 |                   continue; | 
 |                 else | 
 |                  continue; | 
 |                else | 
 |                 continue; | 
 |              else | 
 |               continue; | 
 |             else | 
 |              continue; | 
 |            else if(p[pixel[9]] < c_b) | 
 |             if(p[pixel[7]] < c_b) | 
 |              if(p[pixel[8]] < c_b) | 
 |               if(p[pixel[10]] < c_b) | 
 |                if(p[pixel[11]] < c_b) | 
 |                 if(p[pixel[6]] < c_b) | 
 |                  if(p[pixel[5]] < c_b) | 
 |                   if(p[pixel[4]] < c_b) | 
 |                    if(p[pixel[3]] < c_b) | 
 |                     {} | 
 |                    else | 
 |                     if(p[pixel[12]] < c_b) | 
 |                      {} | 
 |                     else | 
 |                      continue; | 
 |                   else | 
 |                    if(p[pixel[12]] < c_b) | 
 |                     if(p[pixel[13]] < c_b) | 
 |                      {} | 
 |                     else | 
 |                      continue; | 
 |                    else | 
 |                     continue; | 
 |                  else | 
 |                   if(p[pixel[12]] < c_b) | 
 |                    if(p[pixel[13]] < c_b) | 
 |                     if(p[pixel[14]] < c_b) | 
 |                      {} | 
 |                     else | 
 |                      continue; | 
 |                    else | 
 |                     continue; | 
 |                   else | 
 |                    continue; | 
 |                 else | 
 |                  if(p[pixel[12]] < c_b) | 
 |                   if(p[pixel[13]] < c_b) | 
 |                    if(p[pixel[14]] < c_b) | 
 |                     if(p[pixel[15]] < c_b) | 
 |                      {} | 
 |                     else | 
 |                      continue; | 
 |                    else | 
 |                     continue; | 
 |                   else | 
 |                    continue; | 
 |                  else | 
 |                   continue; | 
 |                else | 
 |                 continue; | 
 |               else | 
 |                continue; | 
 |              else | 
 |               continue; | 
 |             else | 
 |              continue; | 
 |            else | 
 |             continue; | 
 |          else if(p[pixel[1]] < c_b) | 
 |           if(p[pixel[8]] > cb) | 
 |            if(p[pixel[9]] > cb) | 
 |             if(p[pixel[10]] > cb) | 
 |              if(p[pixel[11]] > cb) | 
 |               if(p[pixel[12]] > cb) | 
 |                if(p[pixel[13]] > cb) | 
 |                 if(p[pixel[14]] > cb) | 
 |                  if(p[pixel[15]] > cb) | 
 |                   {} | 
 |                  else | 
 |                   if(p[pixel[6]] > cb) | 
 |                    if(p[pixel[7]] > cb) | 
 |                     {} | 
 |                    else | 
 |                     continue; | 
 |                   else | 
 |                    continue; | 
 |                 else | 
 |                  if(p[pixel[5]] > cb) | 
 |                   if(p[pixel[6]] > cb) | 
 |                    if(p[pixel[7]] > cb) | 
 |                     {} | 
 |                    else | 
 |                     continue; | 
 |                   else | 
 |                    continue; | 
 |                  else | 
 |                   continue; | 
 |                else | 
 |                 if(p[pixel[4]] > cb) | 
 |                  if(p[pixel[5]] > cb) | 
 |                   if(p[pixel[6]] > cb) | 
 |                    if(p[pixel[7]] > cb) | 
 |                     {} | 
 |                    else | 
 |                     continue; | 
 |                   else | 
 |                    continue; | 
 |                  else | 
 |                   continue; | 
 |                 else | 
 |                  continue; | 
 |               else | 
 |                if(p[pixel[3]] > cb) | 
 |                 if(p[pixel[4]] > cb) | 
 |                  if(p[pixel[5]] > cb) | 
 |                   if(p[pixel[6]] > cb) | 
 |                    if(p[pixel[7]] > cb) | 
 |                     {} | 
 |                    else | 
 |                     continue; | 
 |                   else | 
 |                    continue; | 
 |                  else | 
 |                   continue; | 
 |                 else | 
 |                  continue; | 
 |                else | 
 |                 continue; | 
 |              else | 
 |               if(p[pixel[2]] > cb) | 
 |                if(p[pixel[3]] > cb) | 
 |                 if(p[pixel[4]] > cb) | 
 |                  if(p[pixel[5]] > cb) | 
 |                   if(p[pixel[6]] > cb) | 
 |                    if(p[pixel[7]] > cb) | 
 |                     {} | 
 |                    else | 
 |                     continue; | 
 |                   else | 
 |                    continue; | 
 |                  else | 
 |                   continue; | 
 |                 else | 
 |                  continue; | 
 |                else | 
 |                 continue; | 
 |               else | 
 |                continue; | 
 |             else | 
 |              continue; | 
 |            else | 
 |             continue; | 
 |           else if(p[pixel[8]] < c_b) | 
 |            if(p[pixel[7]] < c_b) | 
 |             if(p[pixel[9]] < c_b) | 
 |              if(p[pixel[6]] < c_b) | 
 |               if(p[pixel[5]] < c_b) | 
 |                if(p[pixel[4]] < c_b) | 
 |                 if(p[pixel[3]] < c_b) | 
 |                  if(p[pixel[2]] < c_b) | 
 |                   {} | 
 |                  else | 
 |                   if(p[pixel[10]] < c_b) | 
 |                    if(p[pixel[11]] < c_b) | 
 |                     {} | 
 |                    else | 
 |                     continue; | 
 |                   else | 
 |                    continue; | 
 |                 else | 
 |                  if(p[pixel[10]] < c_b) | 
 |                   if(p[pixel[11]] < c_b) | 
 |                    if(p[pixel[12]] < c_b) | 
 |                     {} | 
 |                    else | 
 |                     continue; | 
 |                   else | 
 |                    continue; | 
 |                  else | 
 |                   continue; | 
 |                else | 
 |                 if(p[pixel[10]] < c_b) | 
 |                  if(p[pixel[11]] < c_b) | 
 |                   if(p[pixel[12]] < c_b) | 
 |                    if(p[pixel[13]] < c_b) | 
 |                     {} | 
 |                    else | 
 |                     continue; | 
 |                   else | 
 |                    continue; | 
 |                  else | 
 |                   continue; | 
 |                 else | 
 |                  continue; | 
 |               else | 
 |                if(p[pixel[10]] < c_b) | 
 |                 if(p[pixel[11]] < c_b) | 
 |                  if(p[pixel[12]] < c_b) | 
 |                   if(p[pixel[13]] < c_b) | 
 |                    if(p[pixel[14]] < c_b) | 
 |                     {} | 
 |                    else | 
 |                     continue; | 
 |                   else | 
 |                    continue; | 
 |                  else | 
 |                   continue; | 
 |                 else | 
 |                  continue; | 
 |                else | 
 |                 continue; | 
 |              else | 
 |               if(p[pixel[10]] < c_b) | 
 |                if(p[pixel[11]] < c_b) | 
 |                 if(p[pixel[12]] < c_b) | 
 |                  if(p[pixel[13]] < c_b) | 
 |                   if(p[pixel[14]] < c_b) | 
 |                    if(p[pixel[15]] < c_b) | 
 |                     {} | 
 |                    else | 
 |                     continue; | 
 |                   else | 
 |                    continue; | 
 |                  else | 
 |                   continue; | 
 |                 else | 
 |                  continue; | 
 |                else | 
 |                 continue; | 
 |               else | 
 |                continue; | 
 |             else | 
 |              continue; | 
 |            else | 
 |             continue; | 
 |           else | 
 |            continue; | 
 |          else | 
 |           if(p[pixel[8]] > cb) | 
 |            if(p[pixel[9]] > cb) | 
 |             if(p[pixel[10]] > cb) | 
 |              if(p[pixel[11]] > cb) | 
 |               if(p[pixel[12]] > cb) | 
 |                if(p[pixel[13]] > cb) | 
 |                 if(p[pixel[14]] > cb) | 
 |                  if(p[pixel[15]] > cb) | 
 |                   {} | 
 |                  else | 
 |                   if(p[pixel[6]] > cb) | 
 |                    if(p[pixel[7]] > cb) | 
 |                     {} | 
 |                    else | 
 |                     continue; | 
 |                   else | 
 |                    continue; | 
 |                 else | 
 |                  if(p[pixel[5]] > cb) | 
 |                   if(p[pixel[6]] > cb) | 
 |                    if(p[pixel[7]] > cb) | 
 |                     {} | 
 |                    else | 
 |                     continue; | 
 |                   else | 
 |                    continue; | 
 |                  else | 
 |                   continue; | 
 |                else | 
 |                 if(p[pixel[4]] > cb) | 
 |                  if(p[pixel[5]] > cb) | 
 |                   if(p[pixel[6]] > cb) | 
 |                    if(p[pixel[7]] > cb) | 
 |                     {} | 
 |                    else | 
 |                     continue; | 
 |                   else | 
 |                    continue; | 
 |                  else | 
 |                   continue; | 
 |                 else | 
 |                  continue; | 
 |               else | 
 |                if(p[pixel[3]] > cb) | 
 |                 if(p[pixel[4]] > cb) | 
 |                  if(p[pixel[5]] > cb) | 
 |                   if(p[pixel[6]] > cb) | 
 |                    if(p[pixel[7]] > cb) | 
 |                     {} | 
 |                    else | 
 |                     continue; | 
 |                   else | 
 |                    continue; | 
 |                  else | 
 |                   continue; | 
 |                 else | 
 |                  continue; | 
 |                else | 
 |                 continue; | 
 |              else | 
 |               if(p[pixel[2]] > cb) | 
 |                if(p[pixel[3]] > cb) | 
 |                 if(p[pixel[4]] > cb) | 
 |                  if(p[pixel[5]] > cb) | 
 |                   if(p[pixel[6]] > cb) | 
 |                    if(p[pixel[7]] > cb) | 
 |                     {} | 
 |                    else | 
 |                     continue; | 
 |                   else | 
 |                    continue; | 
 |                  else | 
 |                   continue; | 
 |                 else | 
 |                  continue; | 
 |                else | 
 |                 continue; | 
 |               else | 
 |                continue; | 
 |             else | 
 |              continue; | 
 |            else | 
 |             continue; | 
 |           else if(p[pixel[8]] < c_b) | 
 |            if(p[pixel[7]] < c_b) | 
 |             if(p[pixel[9]] < c_b) | 
 |              if(p[pixel[10]] < c_b) | 
 |               if(p[pixel[6]] < c_b) | 
 |                if(p[pixel[5]] < c_b) | 
 |                 if(p[pixel[4]] < c_b) | 
 |                  if(p[pixel[3]] < c_b) | 
 |                   if(p[pixel[2]] < c_b) | 
 |                    {} | 
 |                   else | 
 |                    if(p[pixel[11]] < c_b) | 
 |                     {} | 
 |                    else | 
 |                     continue; | 
 |                  else | 
 |                   if(p[pixel[11]] < c_b) | 
 |                    if(p[pixel[12]] < c_b) | 
 |                     {} | 
 |                    else | 
 |                     continue; | 
 |                   else | 
 |                    continue; | 
 |                 else | 
 |                  if(p[pixel[11]] < c_b) | 
 |                   if(p[pixel[12]] < c_b) | 
 |                    if(p[pixel[13]] < c_b) | 
 |                     {} | 
 |                    else | 
 |                     continue; | 
 |                   else | 
 |                    continue; | 
 |                  else | 
 |                   continue; | 
 |                else | 
 |                 if(p[pixel[11]] < c_b) | 
 |                  if(p[pixel[12]] < c_b) | 
 |                   if(p[pixel[13]] < c_b) | 
 |                    if(p[pixel[14]] < c_b) | 
 |                     {} | 
 |                    else | 
 |                     continue; | 
 |                   else | 
 |                    continue; | 
 |                  else | 
 |                   continue; | 
 |                 else | 
 |                  continue; | 
 |               else | 
 |                if(p[pixel[11]] < c_b) | 
 |                 if(p[pixel[12]] < c_b) | 
 |                  if(p[pixel[13]] < c_b) | 
 |                   if(p[pixel[14]] < c_b) | 
 |                    if(p[pixel[15]] < c_b) | 
 |                     {} | 
 |                    else | 
 |                     continue; | 
 |                   else | 
 |                    continue; | 
 |                  else | 
 |                   continue; | 
 |                 else | 
 |                  continue; | 
 |                else | 
 |                 continue; | 
 |              else | 
 |               continue; | 
 |             else | 
 |              continue; | 
 |            else | 
 |             continue; | 
 |           else | 
 |            continue; | 
 |         else if(p[pixel[0]] < c_b) | 
 |          if(p[pixel[1]] > cb) | 
 |           if(p[pixel[8]] > cb) | 
 |            if(p[pixel[7]] > cb) | 
 |             if(p[pixel[9]] > cb) | 
 |              if(p[pixel[6]] > cb) | 
 |               if(p[pixel[5]] > cb) | 
 |                if(p[pixel[4]] > cb) | 
 |                 if(p[pixel[3]] > cb) | 
 |                  if(p[pixel[2]] > cb) | 
 |                   {} | 
 |                  else | 
 |                   if(p[pixel[10]] > cb) | 
 |                    if(p[pixel[11]] > cb) | 
 |                     {} | 
 |                    else | 
 |                     continue; | 
 |                   else | 
 |                    continue; | 
 |                 else | 
 |                  if(p[pixel[10]] > cb) | 
 |                   if(p[pixel[11]] > cb) | 
 |                    if(p[pixel[12]] > cb) | 
 |                     {} | 
 |                    else | 
 |                     continue; | 
 |                   else | 
 |                    continue; | 
 |                  else | 
 |                   continue; | 
 |                else | 
 |                 if(p[pixel[10]] > cb) | 
 |                  if(p[pixel[11]] > cb) | 
 |                   if(p[pixel[12]] > cb) | 
 |                    if(p[pixel[13]] > cb) | 
 |                     {} | 
 |                    else | 
 |                     continue; | 
 |                   else | 
 |                    continue; | 
 |                  else | 
 |                   continue; | 
 |                 else | 
 |                  continue; | 
 |               else | 
 |                if(p[pixel[10]] > cb) | 
 |                 if(p[pixel[11]] > cb) | 
 |                  if(p[pixel[12]] > cb) | 
 |                   if(p[pixel[13]] > cb) | 
 |                    if(p[pixel[14]] > cb) | 
 |                     {} | 
 |                    else | 
 |                     continue; | 
 |                   else | 
 |                    continue; | 
 |                  else | 
 |                   continue; | 
 |                 else | 
 |                  continue; | 
 |                else | 
 |                 continue; | 
 |              else | 
 |               if(p[pixel[10]] > cb) | 
 |                if(p[pixel[11]] > cb) | 
 |                 if(p[pixel[12]] > cb) | 
 |                  if(p[pixel[13]] > cb) | 
 |                   if(p[pixel[14]] > cb) | 
 |                    if(p[pixel[15]] > cb) | 
 |                     {} | 
 |                    else | 
 |                     continue; | 
 |                   else | 
 |                    continue; | 
 |                  else | 
 |                   continue; | 
 |                 else | 
 |                  continue; | 
 |                else | 
 |                 continue; | 
 |               else | 
 |                continue; | 
 |             else | 
 |              continue; | 
 |            else | 
 |             continue; | 
 |           else if(p[pixel[8]] < c_b) | 
 |            if(p[pixel[9]] < c_b) | 
 |             if(p[pixel[10]] < c_b) | 
 |              if(p[pixel[11]] < c_b) | 
 |               if(p[pixel[12]] < c_b) | 
 |                if(p[pixel[13]] < c_b) | 
 |                 if(p[pixel[14]] < c_b) | 
 |                  if(p[pixel[15]] < c_b) | 
 |                   {} | 
 |                  else | 
 |                   if(p[pixel[6]] < c_b) | 
 |                    if(p[pixel[7]] < c_b) | 
 |                     {} | 
 |                    else | 
 |                     continue; | 
 |                   else | 
 |                    continue; | 
 |                 else | 
 |                  if(p[pixel[5]] < c_b) | 
 |                   if(p[pixel[6]] < c_b) | 
 |                    if(p[pixel[7]] < c_b) | 
 |                     {} | 
 |                    else | 
 |                     continue; | 
 |                   else | 
 |                    continue; | 
 |                  else | 
 |                   continue; | 
 |                else | 
 |                 if(p[pixel[4]] < c_b) | 
 |                  if(p[pixel[5]] < c_b) | 
 |                   if(p[pixel[6]] < c_b) | 
 |                    if(p[pixel[7]] < c_b) | 
 |                     {} | 
 |                    else | 
 |                     continue; | 
 |                   else | 
 |                    continue; | 
 |                  else | 
 |                   continue; | 
 |                 else | 
 |                  continue; | 
 |               else | 
 |                if(p[pixel[3]] < c_b) | 
 |                 if(p[pixel[4]] < c_b) | 
 |                  if(p[pixel[5]] < c_b) | 
 |                   if(p[pixel[6]] < c_b) | 
 |                    if(p[pixel[7]] < c_b) | 
 |                     {} | 
 |                    else | 
 |                     continue; | 
 |                   else | 
 |                    continue; | 
 |                  else | 
 |                   continue; | 
 |                 else | 
 |                  continue; | 
 |                else | 
 |                 continue; | 
 |              else | 
 |               if(p[pixel[2]] < c_b) | 
 |                if(p[pixel[3]] < c_b) | 
 |                 if(p[pixel[4]] < c_b) | 
 |                  if(p[pixel[5]] < c_b) | 
 |                   if(p[pixel[6]] < c_b) | 
 |                    if(p[pixel[7]] < c_b) | 
 |                     {} | 
 |                    else | 
 |                     continue; | 
 |                   else | 
 |                    continue; | 
 |                  else | 
 |                   continue; | 
 |                 else | 
 |                  continue; | 
 |                else | 
 |                 continue; | 
 |               else | 
 |                continue; | 
 |             else | 
 |              continue; | 
 |            else | 
 |             continue; | 
 |           else | 
 |            continue; | 
 |          else if(p[pixel[1]] < c_b) | 
 |           if(p[pixel[2]] > cb) | 
 |            if(p[pixel[9]] > cb) | 
 |             if(p[pixel[7]] > cb) | 
 |              if(p[pixel[8]] > cb) | 
 |               if(p[pixel[10]] > cb) | 
 |                if(p[pixel[6]] > cb) | 
 |                 if(p[pixel[5]] > cb) | 
 |                  if(p[pixel[4]] > cb) | 
 |                   if(p[pixel[3]] > cb) | 
 |                    {} | 
 |                   else | 
 |                    if(p[pixel[11]] > cb) | 
 |                     if(p[pixel[12]] > cb) | 
 |                      {} | 
 |                     else | 
 |                      continue; | 
 |                    else | 
 |                     continue; | 
 |                  else | 
 |                   if(p[pixel[11]] > cb) | 
 |                    if(p[pixel[12]] > cb) | 
 |                     if(p[pixel[13]] > cb) | 
 |                      {} | 
 |                     else | 
 |                      continue; | 
 |                    else | 
 |                     continue; | 
 |                   else | 
 |                    continue; | 
 |                 else | 
 |                  if(p[pixel[11]] > cb) | 
 |                   if(p[pixel[12]] > cb) | 
 |                    if(p[pixel[13]] > cb) | 
 |                     if(p[pixel[14]] > cb) | 
 |                      {} | 
 |                     else | 
 |                      continue; | 
 |                    else | 
 |                     continue; | 
 |                   else | 
 |                    continue; | 
 |                  else | 
 |                   continue; | 
 |                else | 
 |                 if(p[pixel[11]] > cb) | 
 |                  if(p[pixel[12]] > cb) | 
 |                   if(p[pixel[13]] > cb) | 
 |                    if(p[pixel[14]] > cb) | 
 |                     if(p[pixel[15]] > cb) | 
 |                      {} | 
 |                     else | 
 |                      continue; | 
 |                    else | 
 |                     continue; | 
 |                   else | 
 |                    continue; | 
 |                  else | 
 |                   continue; | 
 |                 else | 
 |                  continue; | 
 |               else | 
 |                continue; | 
 |              else | 
 |               continue; | 
 |             else | 
 |              continue; | 
 |            else if(p[pixel[9]] < c_b) | 
 |             if(p[pixel[10]] < c_b) | 
 |              if(p[pixel[11]] < c_b) | 
 |               if(p[pixel[12]] < c_b) | 
 |                if(p[pixel[13]] < c_b) | 
 |                 if(p[pixel[14]] < c_b) | 
 |                  if(p[pixel[15]] < c_b) | 
 |                   {} | 
 |                  else | 
 |                   if(p[pixel[6]] < c_b) | 
 |                    if(p[pixel[7]] < c_b) | 
 |                     if(p[pixel[8]] < c_b) | 
 |                      {} | 
 |                     else | 
 |                      continue; | 
 |                    else | 
 |                     continue; | 
 |                   else | 
 |                    continue; | 
 |                 else | 
 |                  if(p[pixel[5]] < c_b) | 
 |                   if(p[pixel[6]] < c_b) | 
 |                    if(p[pixel[7]] < c_b) | 
 |                     if(p[pixel[8]] < c_b) | 
 |                      {} | 
 |                     else | 
 |                      continue; | 
 |                    else | 
 |                     continue; | 
 |                   else | 
 |                    continue; | 
 |                  else | 
 |                   continue; | 
 |                else | 
 |                 if(p[pixel[4]] < c_b) | 
 |                  if(p[pixel[5]] < c_b) | 
 |                   if(p[pixel[6]] < c_b) | 
 |                    if(p[pixel[7]] < c_b) | 
 |                     if(p[pixel[8]] < c_b) | 
 |                      {} | 
 |                     else | 
 |                      continue; | 
 |                    else | 
 |                     continue; | 
 |                   else | 
 |                    continue; | 
 |                  else | 
 |                   continue; | 
 |                 else | 
 |                  continue; | 
 |               else | 
 |                if(p[pixel[3]] < c_b) | 
 |                 if(p[pixel[4]] < c_b) | 
 |                  if(p[pixel[5]] < c_b) | 
 |                   if(p[pixel[6]] < c_b) | 
 |                    if(p[pixel[7]] < c_b) | 
 |                     if(p[pixel[8]] < c_b) | 
 |                      {} | 
 |                     else | 
 |                      continue; | 
 |                    else | 
 |                     continue; | 
 |                   else | 
 |                    continue; | 
 |                  else | 
 |                   continue; | 
 |                 else | 
 |                  continue; | 
 |                else | 
 |                 continue; | 
 |              else | 
 |               continue; | 
 |             else | 
 |              continue; | 
 |            else | 
 |             continue; | 
 |           else if(p[pixel[2]] < c_b) | 
 |            if(p[pixel[3]] > cb) | 
 |             if(p[pixel[10]] > cb) | 
 |              if(p[pixel[7]] > cb) | 
 |               if(p[pixel[8]] > cb) | 
 |                if(p[pixel[9]] > cb) | 
 |                 if(p[pixel[11]] > cb) | 
 |                  if(p[pixel[6]] > cb) | 
 |                   if(p[pixel[5]] > cb) | 
 |                    if(p[pixel[4]] > cb) | 
 |                     {} | 
 |                    else | 
 |                     if(p[pixel[12]] > cb) | 
 |                      if(p[pixel[13]] > cb) | 
 |                       {} | 
 |                      else | 
 |                       continue; | 
 |                     else | 
 |                      continue; | 
 |                   else | 
 |                    if(p[pixel[12]] > cb) | 
 |                     if(p[pixel[13]] > cb) | 
 |                      if(p[pixel[14]] > cb) | 
 |                       {} | 
 |                      else | 
 |                       continue; | 
 |                     else | 
 |                      continue; | 
 |                    else | 
 |                     continue; | 
 |                  else | 
 |                   if(p[pixel[12]] > cb) | 
 |                    if(p[pixel[13]] > cb) | 
 |                     if(p[pixel[14]] > cb) | 
 |                      if(p[pixel[15]] > cb) | 
 |                       {} | 
 |                      else | 
 |                       continue; | 
 |                     else | 
 |                      continue; | 
 |                    else | 
 |                     continue; | 
 |                   else | 
 |                    continue; | 
 |                 else | 
 |                  continue; | 
 |                else | 
 |                 continue; | 
 |               else | 
 |                continue; | 
 |              else | 
 |               continue; | 
 |             else if(p[pixel[10]] < c_b) | 
 |              if(p[pixel[11]] < c_b) | 
 |               if(p[pixel[12]] < c_b) | 
 |                if(p[pixel[13]] < c_b) | 
 |                 if(p[pixel[14]] < c_b) | 
 |                  if(p[pixel[15]] < c_b) | 
 |                   {} | 
 |                  else | 
 |                   if(p[pixel[6]] < c_b) | 
 |                    if(p[pixel[7]] < c_b) | 
 |                     if(p[pixel[8]] < c_b) | 
 |                      if(p[pixel[9]] < c_b) | 
 |                       {} | 
 |                      else | 
 |                       continue; | 
 |                     else | 
 |                      continue; | 
 |                    else | 
 |                     continue; | 
 |                   else | 
 |                    continue; | 
 |                 else | 
 |                  if(p[pixel[5]] < c_b) | 
 |                   if(p[pixel[6]] < c_b) | 
 |                    if(p[pixel[7]] < c_b) | 
 |                     if(p[pixel[8]] < c_b) | 
 |                      if(p[pixel[9]] < c_b) | 
 |                       {} | 
 |                      else | 
 |                       continue; | 
 |                     else | 
 |                      continue; | 
 |                    else | 
 |                     continue; | 
 |                   else | 
 |                    continue; | 
 |                  else | 
 |                   continue; | 
 |                else | 
 |                 if(p[pixel[4]] < c_b) | 
 |                  if(p[pixel[5]] < c_b) | 
 |                   if(p[pixel[6]] < c_b) | 
 |                    if(p[pixel[7]] < c_b) | 
 |                     if(p[pixel[8]] < c_b) | 
 |                      if(p[pixel[9]] < c_b) | 
 |                       {} | 
 |                      else | 
 |                       continue; | 
 |                     else | 
 |                      continue; | 
 |                    else | 
 |                     continue; | 
 |                   else | 
 |                    continue; | 
 |                  else | 
 |                   continue; | 
 |                 else | 
 |                  continue; | 
 |               else | 
 |                continue; | 
 |              else | 
 |               continue; | 
 |             else | 
 |              continue; | 
 |            else if(p[pixel[3]] < c_b) | 
 |             if(p[pixel[4]] > cb) | 
 |              if(p[pixel[13]] > cb) | 
 |               if(p[pixel[7]] > cb) | 
 |                if(p[pixel[8]] > cb) | 
 |                 if(p[pixel[9]] > cb) | 
 |                  if(p[pixel[10]] > cb) | 
 |                   if(p[pixel[11]] > cb) | 
 |                    if(p[pixel[12]] > cb) | 
 |                     if(p[pixel[6]] > cb) | 
 |                      if(p[pixel[5]] > cb) | 
 |                       {} | 
 |                      else | 
 |                       if(p[pixel[14]] > cb) | 
 |                        {} | 
 |                       else | 
 |                        continue; | 
 |                     else | 
 |                      if(p[pixel[14]] > cb) | 
 |                       if(p[pixel[15]] > cb) | 
 |                        {} | 
 |                       else | 
 |                        continue; | 
 |                      else | 
 |                       continue; | 
 |                    else | 
 |                     continue; | 
 |                   else | 
 |                    continue; | 
 |                  else | 
 |                   continue; | 
 |                 else | 
 |                  continue; | 
 |                else | 
 |                 continue; | 
 |               else | 
 |                continue; | 
 |              else if(p[pixel[13]] < c_b) | 
 |               if(p[pixel[11]] > cb) | 
 |                if(p[pixel[5]] > cb) | 
 |                 if(p[pixel[6]] > cb) | 
 |                  if(p[pixel[7]] > cb) | 
 |                   if(p[pixel[8]] > cb) | 
 |                    if(p[pixel[9]] > cb) | 
 |                     if(p[pixel[10]] > cb) | 
 |                      if(p[pixel[12]] > cb) | 
 |                       {} | 
 |                      else | 
 |                       continue; | 
 |                     else | 
 |                      continue; | 
 |                    else | 
 |                     continue; | 
 |                   else | 
 |                    continue; | 
 |                  else | 
 |                   continue; | 
 |                 else | 
 |                  continue; | 
 |                else | 
 |                 continue; | 
 |               else if(p[pixel[11]] < c_b) | 
 |                if(p[pixel[12]] < c_b) | 
 |                 if(p[pixel[14]] < c_b) | 
 |                  if(p[pixel[15]] < c_b) | 
 |                   {} | 
 |                  else | 
 |                   if(p[pixel[6]] < c_b) | 
 |                    if(p[pixel[7]] < c_b) | 
 |                     if(p[pixel[8]] < c_b) | 
 |                      if(p[pixel[9]] < c_b) | 
 |                       if(p[pixel[10]] < c_b) | 
 |                        {} | 
 |                       else | 
 |                        continue; | 
 |                      else | 
 |                       continue; | 
 |                     else | 
 |                      continue; | 
 |                    else | 
 |                     continue; | 
 |                   else | 
 |                    continue; | 
 |                 else | 
 |                  if(p[pixel[5]] < c_b) | 
 |                   if(p[pixel[6]] < c_b) | 
 |                    if(p[pixel[7]] < c_b) | 
 |                     if(p[pixel[8]] < c_b) | 
 |                      if(p[pixel[9]] < c_b) | 
 |                       if(p[pixel[10]] < c_b) | 
 |                        {} | 
 |                       else | 
 |                        continue; | 
 |                      else | 
 |                       continue; | 
 |                     else | 
 |                      continue; | 
 |                    else | 
 |                     continue; | 
 |                   else | 
 |                    continue; | 
 |                  else | 
 |                   continue; | 
 |                else | 
 |                 continue; | 
 |               else | 
 |                continue; | 
 |              else | 
 |               if(p[pixel[5]] > cb) | 
 |                if(p[pixel[6]] > cb) | 
 |                 if(p[pixel[7]] > cb) | 
 |                  if(p[pixel[8]] > cb) | 
 |                   if(p[pixel[9]] > cb) | 
 |                    if(p[pixel[10]] > cb) | 
 |                     if(p[pixel[11]] > cb) | 
 |                      if(p[pixel[12]] > cb) | 
 |                       {} | 
 |                      else | 
 |                       continue; | 
 |                     else | 
 |                      continue; | 
 |                    else | 
 |                     continue; | 
 |                   else | 
 |                    continue; | 
 |                  else | 
 |                   continue; | 
 |                 else | 
 |                  continue; | 
 |                else | 
 |                 continue; | 
 |               else | 
 |                continue; | 
 |             else if(p[pixel[4]] < c_b) | 
 |              if(p[pixel[5]] > cb) | 
 |               if(p[pixel[14]] > cb) | 
 |                if(p[pixel[7]] > cb) | 
 |                 if(p[pixel[8]] > cb) | 
 |                  if(p[pixel[9]] > cb) | 
 |                   if(p[pixel[10]] > cb) | 
 |                    if(p[pixel[11]] > cb) | 
 |                     if(p[pixel[12]] > cb) | 
 |                      if(p[pixel[13]] > cb) | 
 |                       if(p[pixel[6]] > cb) | 
 |                        {} | 
 |                       else | 
 |                        if(p[pixel[15]] > cb) | 
 |                         {} | 
 |                        else | 
 |                         continue; | 
 |                      else | 
 |                       continue; | 
 |                     else | 
 |                      continue; | 
 |                    else | 
 |                     continue; | 
 |                   else | 
 |                    continue; | 
 |                  else | 
 |                   continue; | 
 |                 else | 
 |                  continue; | 
 |                else | 
 |                 continue; | 
 |               else if(p[pixel[14]] < c_b) | 
 |                if(p[pixel[12]] > cb) | 
 |                 if(p[pixel[6]] > cb) | 
 |                  if(p[pixel[7]] > cb) | 
 |                   if(p[pixel[8]] > cb) | 
 |                    if(p[pixel[9]] > cb) | 
 |                     if(p[pixel[10]] > cb) | 
 |                      if(p[pixel[11]] > cb) | 
 |                       if(p[pixel[13]] > cb) | 
 |                        {} | 
 |                       else | 
 |                        continue; | 
 |                      else | 
 |                       continue; | 
 |                     else | 
 |                      continue; | 
 |                    else | 
 |                     continue; | 
 |                   else | 
 |                    continue; | 
 |                  else | 
 |                   continue; | 
 |                 else | 
 |                  continue; | 
 |                else if(p[pixel[12]] < c_b) | 
 |                 if(p[pixel[13]] < c_b) | 
 |                  if(p[pixel[15]] < c_b) | 
 |                   {} | 
 |                  else | 
 |                   if(p[pixel[6]] < c_b) | 
 |                    if(p[pixel[7]] < c_b) | 
 |                     if(p[pixel[8]] < c_b) | 
 |                      if(p[pixel[9]] < c_b) | 
 |                       if(p[pixel[10]] < c_b) | 
 |                        if(p[pixel[11]] < c_b) | 
 |                         {} | 
 |                        else | 
 |                         continue; | 
 |                       else | 
 |                        continue; | 
 |                      else | 
 |                       continue; | 
 |                     else | 
 |                      continue; | 
 |                    else | 
 |                     continue; | 
 |                   else | 
 |                    continue; | 
 |                 else | 
 |                  continue; | 
 |                else | 
 |                 continue; | 
 |               else | 
 |                if(p[pixel[6]] > cb) | 
 |                 if(p[pixel[7]] > cb) | 
 |                  if(p[pixel[8]] > cb) | 
 |                   if(p[pixel[9]] > cb) | 
 |                    if(p[pixel[10]] > cb) | 
 |                     if(p[pixel[11]] > cb) | 
 |                      if(p[pixel[12]] > cb) | 
 |                       if(p[pixel[13]] > cb) | 
 |                        {} | 
 |                       else | 
 |                        continue; | 
 |                      else | 
 |                       continue; | 
 |                     else | 
 |                      continue; | 
 |                    else | 
 |                     continue; | 
 |                   else | 
 |                    continue; | 
 |                  else | 
 |                   continue; | 
 |                 else | 
 |                  continue; | 
 |                else | 
 |                 continue; | 
 |              else if(p[pixel[5]] < c_b) | 
 |               if(p[pixel[6]] > cb) | 
 |                if(p[pixel[15]] < c_b) | 
 |                 if(p[pixel[13]] > cb) | 
 |                  if(p[pixel[7]] > cb) | 
 |                   if(p[pixel[8]] > cb) | 
 |                    if(p[pixel[9]] > cb) | 
 |                     if(p[pixel[10]] > cb) | 
 |                      if(p[pixel[11]] > cb) | 
 |                       if(p[pixel[12]] > cb) | 
 |                        if(p[pixel[14]] > cb) | 
 |                         {} | 
 |                        else | 
 |                         continue; | 
 |                       else | 
 |                        continue; | 
 |                      else | 
 |                       continue; | 
 |                     else | 
 |                      continue; | 
 |                    else | 
 |                     continue; | 
 |                   else | 
 |                    continue; | 
 |                  else | 
 |                   continue; | 
 |                 else if(p[pixel[13]] < c_b) | 
 |                  if(p[pixel[14]] < c_b) | 
 |                   {} | 
 |                  else | 
 |                   continue; | 
 |                 else | 
 |                  continue; | 
 |                else | 
 |                 if(p[pixel[7]] > cb) | 
 |                  if(p[pixel[8]] > cb) | 
 |                   if(p[pixel[9]] > cb) | 
 |                    if(p[pixel[10]] > cb) | 
 |                     if(p[pixel[11]] > cb) | 
 |                      if(p[pixel[12]] > cb) | 
 |                       if(p[pixel[13]] > cb) | 
 |                        if(p[pixel[14]] > cb) | 
 |                         {} | 
 |                        else | 
 |                         continue; | 
 |                       else | 
 |                        continue; | 
 |                      else | 
 |                       continue; | 
 |                     else | 
 |                      continue; | 
 |                    else | 
 |                     continue; | 
 |                   else | 
 |                    continue; | 
 |                  else | 
 |                   continue; | 
 |                 else | 
 |                  continue; | 
 |               else if(p[pixel[6]] < c_b) | 
 |                if(p[pixel[7]] > cb) | 
 |                 if(p[pixel[14]] > cb) | 
 |                  if(p[pixel[8]] > cb) | 
 |                   if(p[pixel[9]] > cb) | 
 |                    if(p[pixel[10]] > cb) | 
 |                     if(p[pixel[11]] > cb) | 
 |                      if(p[pixel[12]] > cb) | 
 |                       if(p[pixel[13]] > cb) | 
 |                        if(p[pixel[15]] > cb) | 
 |                         {} | 
 |                        else | 
 |                         continue; | 
 |                       else | 
 |                        continue; | 
 |                      else | 
 |                       continue; | 
 |                     else | 
 |                      continue; | 
 |                    else | 
 |                     continue; | 
 |                   else | 
 |                    continue; | 
 |                  else | 
 |                   continue; | 
 |                 else if(p[pixel[14]] < c_b) | 
 |                  if(p[pixel[15]] < c_b) | 
 |                   {} | 
 |                  else | 
 |                   continue; | 
 |                 else | 
 |                  continue; | 
 |                else if(p[pixel[7]] < c_b) | 
 |                 if(p[pixel[8]] < c_b) | 
 |                  {} | 
 |                 else | 
 |                  if(p[pixel[15]] < c_b) | 
 |                   {} | 
 |                  else | 
 |                   continue; | 
 |                else | 
 |                 if(p[pixel[14]] < c_b) | 
 |                  if(p[pixel[15]] < c_b) | 
 |                   {} | 
 |                  else | 
 |                   continue; | 
 |                 else | 
 |                  continue; | 
 |               else | 
 |                if(p[pixel[13]] > cb) | 
 |                 if(p[pixel[7]] > cb) | 
 |                  if(p[pixel[8]] > cb) | 
 |                   if(p[pixel[9]] > cb) | 
 |                    if(p[pixel[10]] > cb) | 
 |                     if(p[pixel[11]] > cb) | 
 |                      if(p[pixel[12]] > cb) | 
 |                       if(p[pixel[14]] > cb) | 
 |                        if(p[pixel[15]] > cb) | 
 |                         {} | 
 |                        else | 
 |                         continue; | 
 |                       else | 
 |                        continue; | 
 |                      else | 
 |                       continue; | 
 |                     else | 
 |                      continue; | 
 |                    else | 
 |                     continue; | 
 |                   else | 
 |                    continue; | 
 |                  else | 
 |                   continue; | 
 |                 else | 
 |                  continue; | 
 |                else if(p[pixel[13]] < c_b) | 
 |                 if(p[pixel[14]] < c_b) | 
 |                  if(p[pixel[15]] < c_b) | 
 |                   {} | 
 |                  else | 
 |                   continue; | 
 |                 else | 
 |                  continue; | 
 |                else | 
 |                 continue; | 
 |              else | 
 |               if(p[pixel[12]] > cb) | 
 |                if(p[pixel[7]] > cb) | 
 |                 if(p[pixel[8]] > cb) | 
 |                  if(p[pixel[9]] > cb) | 
 |                   if(p[pixel[10]] > cb) | 
 |                    if(p[pixel[11]] > cb) | 
 |                     if(p[pixel[13]] > cb) | 
 |                      if(p[pixel[14]] > cb) | 
 |                       if(p[pixel[6]] > cb) | 
 |                        {} | 
 |                       else | 
 |                        if(p[pixel[15]] > cb) | 
 |                         {} | 
 |                        else | 
 |                         continue; | 
 |                      else | 
 |                       continue; | 
 |                     else | 
 |                      continue; | 
 |                    else | 
 |                     continue; | 
 |                   else | 
 |                    continue; | 
 |                  else | 
 |                   continue; | 
 |                 else | 
 |                  continue; | 
 |                else | 
 |                 continue; | 
 |               else if(p[pixel[12]] < c_b) | 
 |                if(p[pixel[13]] < c_b) | 
 |                 if(p[pixel[14]] < c_b) | 
 |                  if(p[pixel[15]] < c_b) | 
 |                   {} | 
 |                  else | 
 |                   if(p[pixel[6]] < c_b) | 
 |                    if(p[pixel[7]] < c_b) | 
 |                     if(p[pixel[8]] < c_b) | 
 |                      if(p[pixel[9]] < c_b) | 
 |                       if(p[pixel[10]] < c_b) | 
 |                        if(p[pixel[11]] < c_b) | 
 |                         {} | 
 |                        else | 
 |                         continue; | 
 |                       else | 
 |                        continue; | 
 |                      else | 
 |                       continue; | 
 |                     else | 
 |                      continue; | 
 |                    else | 
 |                     continue; | 
 |                   else | 
 |                    continue; | 
 |                 else | 
 |                  continue; | 
 |                else | 
 |                 continue; | 
 |               else | 
 |                continue; | 
 |             else | 
 |              if(p[pixel[11]] > cb) | 
 |               if(p[pixel[7]] > cb) | 
 |                if(p[pixel[8]] > cb) | 
 |                 if(p[pixel[9]] > cb) | 
 |                  if(p[pixel[10]] > cb) | 
 |                   if(p[pixel[12]] > cb) | 
 |                    if(p[pixel[13]] > cb) | 
 |                     if(p[pixel[6]] > cb) | 
 |                      if(p[pixel[5]] > cb) | 
 |                       {} | 
 |                      else | 
 |                       if(p[pixel[14]] > cb) | 
 |                        {} | 
 |                       else | 
 |                        continue; | 
 |                     else | 
 |                      if(p[pixel[14]] > cb) | 
 |                       if(p[pixel[15]] > cb) | 
 |                        {} | 
 |                       else | 
 |                        continue; | 
 |                      else | 
 |                       continue; | 
 |                    else | 
 |                     continue; | 
 |                   else | 
 |                    continue; | 
 |                  else | 
 |                   continue; | 
 |                 else | 
 |                  continue; | 
 |                else | 
 |                 continue; | 
 |               else | 
 |                continue; | 
 |              else if(p[pixel[11]] < c_b) | 
 |               if(p[pixel[12]] < c_b) | 
 |                if(p[pixel[13]] < c_b) | 
 |                 if(p[pixel[14]] < c_b) | 
 |                  if(p[pixel[15]] < c_b) | 
 |                   {} | 
 |                  else | 
 |                   if(p[pixel[6]] < c_b) | 
 |                    if(p[pixel[7]] < c_b) | 
 |                     if(p[pixel[8]] < c_b) | 
 |                      if(p[pixel[9]] < c_b) | 
 |                       if(p[pixel[10]] < c_b) | 
 |                        {} | 
 |                       else | 
 |                        continue; | 
 |                      else | 
 |                       continue; | 
 |                     else | 
 |                      continue; | 
 |                    else | 
 |                     continue; | 
 |                   else | 
 |                    continue; | 
 |                 else | 
 |                  if(p[pixel[5]] < c_b) | 
 |                   if(p[pixel[6]] < c_b) | 
 |                    if(p[pixel[7]] < c_b) | 
 |                     if(p[pixel[8]] < c_b) | 
 |                      if(p[pixel[9]] < c_b) | 
 |                       if(p[pixel[10]] < c_b) | 
 |                        {} | 
 |                       else | 
 |                        continue; | 
 |                      else | 
 |                       continue; | 
 |                     else | 
 |                      continue; | 
 |                    else | 
 |                     continue; | 
 |                   else | 
 |                    continue; | 
 |                  else | 
 |                   continue; | 
 |                else | 
 |                 continue; | 
 |               else | 
 |                continue; | 
 |              else | 
 |               continue; | 
 |            else | 
 |             if(p[pixel[10]] > cb) | 
 |              if(p[pixel[7]] > cb) | 
 |               if(p[pixel[8]] > cb) | 
 |                if(p[pixel[9]] > cb) | 
 |                 if(p[pixel[11]] > cb) | 
 |                  if(p[pixel[12]] > cb) | 
 |                   if(p[pixel[6]] > cb) | 
 |                    if(p[pixel[5]] > cb) | 
 |                     if(p[pixel[4]] > cb) | 
 |                      {} | 
 |                     else | 
 |                      if(p[pixel[13]] > cb) | 
 |                       {} | 
 |                      else | 
 |                       continue; | 
 |                    else | 
 |                     if(p[pixel[13]] > cb) | 
 |                      if(p[pixel[14]] > cb) | 
 |                       {} | 
 |                      else | 
 |                       continue; | 
 |                     else | 
 |                      continue; | 
 |                   else | 
 |                    if(p[pixel[13]] > cb) | 
 |                     if(p[pixel[14]] > cb) | 
 |                      if(p[pixel[15]] > cb) | 
 |                       {} | 
 |                      else | 
 |                       continue; | 
 |                     else | 
 |                      continue; | 
 |                    else | 
 |                     continue; | 
 |                  else | 
 |                   continue; | 
 |                 else | 
 |                  continue; | 
 |                else | 
 |                 continue; | 
 |               else | 
 |                continue; | 
 |              else | 
 |               continue; | 
 |             else if(p[pixel[10]] < c_b) | 
 |              if(p[pixel[11]] < c_b) | 
 |               if(p[pixel[12]] < c_b) | 
 |                if(p[pixel[13]] < c_b) | 
 |                 if(p[pixel[14]] < c_b) | 
 |                  if(p[pixel[15]] < c_b) | 
 |                   {} | 
 |                  else | 
 |                   if(p[pixel[6]] < c_b) | 
 |                    if(p[pixel[7]] < c_b) | 
 |                     if(p[pixel[8]] < c_b) | 
 |                      if(p[pixel[9]] < c_b) | 
 |                       {} | 
 |                      else | 
 |                       continue; | 
 |                     else | 
 |                      continue; | 
 |                    else | 
 |                     continue; | 
 |                   else | 
 |                    continue; | 
 |                 else | 
 |                  if(p[pixel[5]] < c_b) | 
 |                   if(p[pixel[6]] < c_b) | 
 |                    if(p[pixel[7]] < c_b) | 
 |                     if(p[pixel[8]] < c_b) | 
 |                      if(p[pixel[9]] < c_b) | 
 |                       {} | 
 |                      else | 
 |                       continue; | 
 |                     else | 
 |                      continue; | 
 |                    else | 
 |                     continue; | 
 |                   else | 
 |                    continue; | 
 |                  else | 
 |                   continue; | 
 |                else | 
 |                 if(p[pixel[4]] < c_b) | 
 |                  if(p[pixel[5]] < c_b) | 
 |                   if(p[pixel[6]] < c_b) | 
 |                    if(p[pixel[7]] < c_b) | 
 |                     if(p[pixel[8]] < c_b) | 
 |                      if(p[pixel[9]] < c_b) | 
 |                       {} | 
 |                      else | 
 |                       continue; | 
 |                     else | 
 |                      continue; | 
 |                    else | 
 |                     continue; | 
 |                   else | 
 |                    continue; | 
 |                  else | 
 |                   continue; | 
 |                 else | 
 |                  continue; | 
 |               else | 
 |                continue; | 
 |              else | 
 |               continue; | 
 |             else | 
 |              continue; | 
 |           else | 
 |            if(p[pixel[9]] > cb) | 
 |             if(p[pixel[7]] > cb) | 
 |              if(p[pixel[8]] > cb) | 
 |               if(p[pixel[10]] > cb) | 
 |                if(p[pixel[11]] > cb) | 
 |                 if(p[pixel[6]] > cb) | 
 |                  if(p[pixel[5]] > cb) | 
 |                   if(p[pixel[4]] > cb) | 
 |                    if(p[pixel[3]] > cb) | 
 |                     {} | 
 |                    else | 
 |                     if(p[pixel[12]] > cb) | 
 |                      {} | 
 |                     else | 
 |                      continue; | 
 |                   else | 
 |                    if(p[pixel[12]] > cb) | 
 |                     if(p[pixel[13]] > cb) | 
 |                      {} | 
 |                     else | 
 |                      continue; | 
 |                    else | 
 |                     continue; | 
 |                  else | 
 |                   if(p[pixel[12]] > cb) | 
 |                    if(p[pixel[13]] > cb) | 
 |                     if(p[pixel[14]] > cb) | 
 |                      {} | 
 |                     else | 
 |                      continue; | 
 |                    else | 
 |                     continue; | 
 |                   else | 
 |                    continue; | 
 |                 else | 
 |                  if(p[pixel[12]] > cb) | 
 |                   if(p[pixel[13]] > cb) | 
 |                    if(p[pixel[14]] > cb) | 
 |                     if(p[pixel[15]] > cb) | 
 |                      {} | 
 |                     else | 
 |                      continue; | 
 |                    else | 
 |                     continue; | 
 |                   else | 
 |                    continue; | 
 |                  else | 
 |                   continue; | 
 |                else | 
 |                 continue; | 
 |               else | 
 |                continue; | 
 |              else | 
 |               continue; | 
 |             else | 
 |              continue; | 
 |            else if(p[pixel[9]] < c_b) | 
 |             if(p[pixel[10]] < c_b) | 
 |              if(p[pixel[11]] < c_b) | 
 |               if(p[pixel[12]] < c_b) | 
 |                if(p[pixel[13]] < c_b) | 
 |                 if(p[pixel[14]] < c_b) | 
 |                  if(p[pixel[15]] < c_b) | 
 |                   {} | 
 |                  else | 
 |                   if(p[pixel[6]] < c_b) | 
 |                    if(p[pixel[7]] < c_b) | 
 |                     if(p[pixel[8]] < c_b) | 
 |                      {} | 
 |                     else | 
 |                      continue; | 
 |                    else | 
 |                     continue; | 
 |                   else | 
 |                    continue; | 
 |                 else | 
 |                  if(p[pixel[5]] < c_b) | 
 |                   if(p[pixel[6]] < c_b) | 
 |                    if(p[pixel[7]] < c_b) | 
 |                     if(p[pixel[8]] < c_b) | 
 |                      {} | 
 |                     else | 
 |                      continue; | 
 |                    else | 
 |                     continue; | 
 |                   else | 
 |                    continue; | 
 |                  else | 
 |                   continue; | 
 |                else | 
 |                 if(p[pixel[4]] < c_b) | 
 |                  if(p[pixel[5]] < c_b) | 
 |                   if(p[pixel[6]] < c_b) | 
 |                    if(p[pixel[7]] < c_b) | 
 |                     if(p[pixel[8]] < c_b) | 
 |                      {} | 
 |                     else | 
 |                      continue; | 
 |                    else | 
 |                     continue; | 
 |                   else | 
 |                    continue; | 
 |                  else | 
 |                   continue; | 
 |                 else | 
 |                  continue; | 
 |               else | 
 |                if(p[pixel[3]] < c_b) | 
 |                 if(p[pixel[4]] < c_b) | 
 |                  if(p[pixel[5]] < c_b) | 
 |                   if(p[pixel[6]] < c_b) | 
 |                    if(p[pixel[7]] < c_b) | 
 |                     if(p[pixel[8]] < c_b) | 
 |                      {} | 
 |                     else | 
 |                      continue; | 
 |                    else | 
 |                     continue; | 
 |                   else | 
 |                    continue; | 
 |                  else | 
 |                   continue; | 
 |                 else | 
 |                  continue; | 
 |                else | 
 |                 continue; | 
 |              else | 
 |               continue; | 
 |             else | 
 |              continue; | 
 |            else | 
 |             continue; | 
 |          else | 
 |           if(p[pixel[8]] > cb) | 
 |            if(p[pixel[7]] > cb) | 
 |             if(p[pixel[9]] > cb) | 
 |              if(p[pixel[10]] > cb) | 
 |               if(p[pixel[6]] > cb) | 
 |                if(p[pixel[5]] > cb) | 
 |                 if(p[pixel[4]] > cb) | 
 |                  if(p[pixel[3]] > cb) | 
 |                   if(p[pixel[2]] > cb) | 
 |                    {} | 
 |                   else | 
 |                    if(p[pixel[11]] > cb) | 
 |                     {} | 
 |                    else | 
 |                     continue; | 
 |                  else | 
 |                   if(p[pixel[11]] > cb) | 
 |                    if(p[pixel[12]] > cb) | 
 |                     {} | 
 |                    else | 
 |                     continue; | 
 |                   else | 
 |                    continue; | 
 |                 else | 
 |                  if(p[pixel[11]] > cb) | 
 |                   if(p[pixel[12]] > cb) | 
 |                    if(p[pixel[13]] > cb) | 
 |                     {} | 
 |                    else | 
 |                     continue; | 
 |                   else | 
 |                    continue; | 
 |                  else | 
 |                   continue; | 
 |                else | 
 |                 if(p[pixel[11]] > cb) | 
 |                  if(p[pixel[12]] > cb) | 
 |                   if(p[pixel[13]] > cb) | 
 |                    if(p[pixel[14]] > cb) | 
 |                     {} | 
 |                    else | 
 |                     continue; | 
 |                   else | 
 |                    continue; | 
 |                  else | 
 |                   continue; | 
 |                 else | 
 |                  continue; | 
 |               else | 
 |                if(p[pixel[11]] > cb) | 
 |                 if(p[pixel[12]] > cb) | 
 |                  if(p[pixel[13]] > cb) | 
 |                   if(p[pixel[14]] > cb) | 
 |                    if(p[pixel[15]] > cb) | 
 |                     {} | 
 |                    else | 
 |                     continue; | 
 |                   else | 
 |                    continue; | 
 |                  else | 
 |                   continue; | 
 |                 else | 
 |                  continue; | 
 |                else | 
 |                 continue; | 
 |              else | 
 |               continue; | 
 |             else | 
 |              continue; | 
 |            else | 
 |             continue; | 
 |           else if(p[pixel[8]] < c_b) | 
 |            if(p[pixel[9]] < c_b) | 
 |             if(p[pixel[10]] < c_b) | 
 |              if(p[pixel[11]] < c_b) | 
 |               if(p[pixel[12]] < c_b) | 
 |                if(p[pixel[13]] < c_b) | 
 |                 if(p[pixel[14]] < c_b) | 
 |                  if(p[pixel[15]] < c_b) | 
 |                   {} | 
 |                  else | 
 |                   if(p[pixel[6]] < c_b) | 
 |                    if(p[pixel[7]] < c_b) | 
 |                     {} | 
 |                    else | 
 |                     continue; | 
 |                   else | 
 |                    continue; | 
 |                 else | 
 |                  if(p[pixel[5]] < c_b) | 
 |                   if(p[pixel[6]] < c_b) | 
 |                    if(p[pixel[7]] < c_b) | 
 |                     {} | 
 |                    else | 
 |                     continue; | 
 |                   else | 
 |                    continue; | 
 |                  else | 
 |                   continue; | 
 |                else | 
 |                 if(p[pixel[4]] < c_b) | 
 |                  if(p[pixel[5]] < c_b) | 
 |                   if(p[pixel[6]] < c_b) | 
 |                    if(p[pixel[7]] < c_b) | 
 |                     {} | 
 |                    else | 
 |                     continue; | 
 |                   else | 
 |                    continue; | 
 |                  else | 
 |                   continue; | 
 |                 else | 
 |                  continue; | 
 |               else | 
 |                if(p[pixel[3]] < c_b) | 
 |                 if(p[pixel[4]] < c_b) | 
 |                  if(p[pixel[5]] < c_b) | 
 |                   if(p[pixel[6]] < c_b) | 
 |                    if(p[pixel[7]] < c_b) | 
 |                     {} | 
 |                    else | 
 |                     continue; | 
 |                   else | 
 |                    continue; | 
 |                  else | 
 |                   continue; | 
 |                 else | 
 |                  continue; | 
 |                else | 
 |                 continue; | 
 |              else | 
 |               if(p[pixel[2]] < c_b) | 
 |                if(p[pixel[3]] < c_b) | 
 |                 if(p[pixel[4]] < c_b) | 
 |                  if(p[pixel[5]] < c_b) | 
 |                   if(p[pixel[6]] < c_b) | 
 |                    if(p[pixel[7]] < c_b) | 
 |                     {} | 
 |                    else | 
 |                     continue; | 
 |                   else | 
 |                    continue; | 
 |                  else | 
 |                   continue; | 
 |                 else | 
 |                  continue; | 
 |                else | 
 |                 continue; | 
 |               else | 
 |                continue; | 
 |             else | 
 |              continue; | 
 |            else | 
 |             continue; | 
 |           else | 
 |            continue; | 
 |         else | 
 |          if(p[pixel[7]] > cb) | 
 |           if(p[pixel[8]] > cb) | 
 |            if(p[pixel[9]] > cb) | 
 |             if(p[pixel[6]] > cb) | 
 |              if(p[pixel[5]] > cb) | 
 |               if(p[pixel[4]] > cb) | 
 |                if(p[pixel[3]] > cb) | 
 |                 if(p[pixel[2]] > cb) | 
 |                  if(p[pixel[1]] > cb) | 
 |                   {} | 
 |                  else | 
 |                   if(p[pixel[10]] > cb) | 
 |                    {} | 
 |                   else | 
 |                    continue; | 
 |                 else | 
 |                  if(p[pixel[10]] > cb) | 
 |                   if(p[pixel[11]] > cb) | 
 |                    {} | 
 |                   else | 
 |                    continue; | 
 |                  else | 
 |                   continue; | 
 |                else | 
 |                 if(p[pixel[10]] > cb) | 
 |                  if(p[pixel[11]] > cb) | 
 |                   if(p[pixel[12]] > cb) | 
 |                    {} | 
 |                   else | 
 |                    continue; | 
 |                  else | 
 |                   continue; | 
 |                 else | 
 |                  continue; | 
 |               else | 
 |                if(p[pixel[10]] > cb) | 
 |                 if(p[pixel[11]] > cb) | 
 |                  if(p[pixel[12]] > cb) | 
 |                   if(p[pixel[13]] > cb) | 
 |                    {} | 
 |                   else | 
 |                    continue; | 
 |                  else | 
 |                   continue; | 
 |                 else | 
 |                  continue; | 
 |                else | 
 |                 continue; | 
 |              else | 
 |               if(p[pixel[10]] > cb) | 
 |                if(p[pixel[11]] > cb) | 
 |                 if(p[pixel[12]] > cb) | 
 |                  if(p[pixel[13]] > cb) | 
 |                   if(p[pixel[14]] > cb) | 
 |                    {} | 
 |                   else | 
 |                    continue; | 
 |                  else | 
 |                   continue; | 
 |                 else | 
 |                  continue; | 
 |                else | 
 |                 continue; | 
 |               else | 
 |                continue; | 
 |             else | 
 |              if(p[pixel[10]] > cb) | 
 |               if(p[pixel[11]] > cb) | 
 |                if(p[pixel[12]] > cb) | 
 |                 if(p[pixel[13]] > cb) | 
 |                  if(p[pixel[14]] > cb) | 
 |                   if(p[pixel[15]] > cb) | 
 |                    {} | 
 |                   else | 
 |                    continue; | 
 |                  else | 
 |                   continue; | 
 |                 else | 
 |                  continue; | 
 |                else | 
 |                 continue; | 
 |               else | 
 |                continue; | 
 |              else | 
 |               continue; | 
 |            else | 
 |             continue; | 
 |           else | 
 |            continue; | 
 |          else if(p[pixel[7]] < c_b) | 
 |           if(p[pixel[8]] < c_b) | 
 |            if(p[pixel[9]] < c_b) | 
 |             if(p[pixel[6]] < c_b) | 
 |              if(p[pixel[5]] < c_b) | 
 |               if(p[pixel[4]] < c_b) | 
 |                if(p[pixel[3]] < c_b) | 
 |                 if(p[pixel[2]] < c_b) | 
 |                  if(p[pixel[1]] < c_b) | 
 |                   {} | 
 |                  else | 
 |                   if(p[pixel[10]] < c_b) | 
 |                    {} | 
 |                   else | 
 |                    continue; | 
 |                 else | 
 |                  if(p[pixel[10]] < c_b) | 
 |                   if(p[pixel[11]] < c_b) | 
 |                    {} | 
 |                   else | 
 |                    continue; | 
 |                  else | 
 |                   continue; | 
 |                else | 
 |                 if(p[pixel[10]] < c_b) | 
 |                  if(p[pixel[11]] < c_b) | 
 |                   if(p[pixel[12]] < c_b) | 
 |                    {} | 
 |                   else | 
 |                    continue; | 
 |                  else | 
 |                   continue; | 
 |                 else | 
 |                  continue; | 
 |               else | 
 |                if(p[pixel[10]] < c_b) | 
 |                 if(p[pixel[11]] < c_b) | 
 |                  if(p[pixel[12]] < c_b) | 
 |                   if(p[pixel[13]] < c_b) | 
 |                    {} | 
 |                   else | 
 |                    continue; | 
 |                  else | 
 |                   continue; | 
 |                 else | 
 |                  continue; | 
 |                else | 
 |                 continue; | 
 |              else | 
 |               if(p[pixel[10]] < c_b) | 
 |                if(p[pixel[11]] < c_b) | 
 |                 if(p[pixel[12]] < c_b) | 
 |                  if(p[pixel[13]] < c_b) | 
 |                   if(p[pixel[14]] < c_b) | 
 |                    {} | 
 |                   else | 
 |                    continue; | 
 |                  else | 
 |                   continue; | 
 |                 else | 
 |                  continue; | 
 |                else | 
 |                 continue; | 
 |               else | 
 |                continue; | 
 |             else | 
 |              if(p[pixel[10]] < c_b) | 
 |               if(p[pixel[11]] < c_b) | 
 |                if(p[pixel[12]] < c_b) | 
 |                 if(p[pixel[13]] < c_b) | 
 |                  if(p[pixel[14]] < c_b) | 
 |                   if(p[pixel[15]] < c_b) | 
 |                    {} | 
 |                   else | 
 |                    continue; | 
 |                  else | 
 |                   continue; | 
 |                 else | 
 |                  continue; | 
 |                else | 
 |                 continue; | 
 |               else | 
 |                continue; | 
 |              else | 
 |               continue; | 
 |            else | 
 |             continue; | 
 |           else | 
 |            continue; | 
 |          else | 
 |           continue; | 
 | 			if(num_corners == rsize) | 
 | 			{ | 
 | 				rsize*=2; | 
 | 				ret_corners = (xy*)realloc(ret_corners, sizeof(xy)*rsize); | 
 | 			} | 
 | 			ret_corners[num_corners].x = x; | 
 | 			ret_corners[num_corners].y = y; | 
 | 			num_corners++; | 
 |  | 
 | 		} | 
 |  | 
 | 	*ret_num_corners = num_corners; | 
 | 	return ret_corners; | 
 |  | 
 | } | 
 |  | 
 | // clang-format on |