POSSIBLE
00000000000000000000
01111111111111111110
011111111111111111110
011111111111111111110
011111111111111111110
011111111111111111110
011111111111111111110
011111111111111111110
011111111111111111110
011111111111111111110
011111111111111111110
011100000000000000000
010000000000000000000
010000000000000000000
010000000000000000000
010000000000000000000
010000000000000000000
010000000000000000000
010000000000000000000
00000000000000000000