11000000000000000
11000000000000000
11000000000000000
11000000000000000
11000000000000000
11000000000000000
11111100000000000
11111100000000000
11111100000000000
11100000000000000
11100000000000000
11100000000000000
11100000000000000
11100000000000000
11100000000000000
11100000000000000
11100000000000000
11100000000000000
11100000000000000
01100000000000000
01100000000000000
01100000000000000
01110000000000000
01111110000000000
01111110000000000
00111110000000000
00111110000000000
