0000000000000000000000000000
0000000000000000000000000000
0000000000000000000000000000
1111111111111111111111000000
1111111111111111111111110000
1111111000000000111111110000
1111111000000000001111111100
1111111000000000000011111100
1111111000000000000011111100
1111111000000000001111110000
1111111000000000111111110000
1111111111111111111111000000
1111111111111111111100000000
1111111000011111111111000000
1111111000011111111111000000
1111111000000000111111000000
1111111000000000111111110000
1111111000000000001111110000
1111111000000000001111110000
1111111000000000000011111100
1111111000000000000011111100
1111111000000000000000111111
1111111000000000000000111111
0000000000000000000000000000
0000000000000000000000000000
0000000000000000000000000000
0000000000000000000000000000
0000000000000000000000000000