20
27
111100000001111100000001111
111100000001111100000001111
011110000001111100000011110
011110000011111110000011110
011110000011101110000011110
011110000011101110000011110
001111000011101110000011100
001111000111101111000111100
001111000111000111000111100
000111000111000111000111000
000111000111000111000111000
000111100111000111001111000
000111101110000011101111000
000011101110000011101110000
000011101110000011101110000
000011101110000011101110000
000011111100000001111110000
000001111100000001111100000
000001111100000001111100000
000001111100000001111100000
