19
14
11111111111000
11111111111110
11000000001110
11000000000111
11000000000011
11000000000011
11000000000011
11000000000111
11000000001110
11111111111100
11111111111000
11000000000000
11000000000000
11000000000000
11000000000000
11000000000000
11000000000000
11000000000000
11000000000000
