00000000000000011
11111111111111111
11111111000011111
11111111000011111
00000000000011100
00000000000011000
00000000000111000
00000000000111000
00000000000100000
00000000011100000
00000000011000000
00000000011000000
00000000111000000
00000000111000000
00000000111000000
00000001100000000
00000001100000000
00000001100000000
00000001100000000
00000001100000000
00000001000000000
00000111000000000
00000111000000000
00000111000000000
00000111000000000
00000111000000000
00000000000000000
