Created
May 18, 2015 18:01
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| @image[loc[0]][loc[1]+1]=1 if loc[1]<(@image[loc[0]].length-1) | |
| @image[loc[0]][loc[1]-1]=1 if loc[1]>0 | |
| @image[loc[0]+1][loc[1]]=1 if loc[0]<(@image.length-1) | |
| @image[loc[0]-1][loc[1]]=1 if loc[0]>0 |
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