17
13
0000111111000
0011111111100
0011000001110
0110000000111
0110000000011
0110000000000
0011100000000
0011111110000
0000111111100
0000000011110
0000000000011
1100000000011
1100000000011
0110000000011
0111000001110
0011111111100
0000111111000
