16
15
000011111100000
001111111111000
011111111111100
011110000111100
111100000011110
111000000001110
111000000001110
111000000001110
111000000001110
111000010001110
111100111011110
011110011111100
011111111111100
001111111111110
000011111101111
000000000000110
