I clearly haven't had enough coffee today. I thought the 880 permutations were unique? Are some of them duplicates of either 1 or 3 90 degree clockwise rotations or a vertical or horizontal flip?
I clearly haven't had enough coffee today. I thought the 880 permutations were unique? Are some of them duplicates of either 1 or 3 90 degree clockwise rotations or a vertical or horizontal flip?