20 20
11101001110111111001
01100111011010011000
11011100000011111000
01111111100000111101
01000110010110101111
00010111111111001111
00011001111001010011
11001100101111101101
00000110001100111100
01111001100001000001
11101011110111111010
11111010101011110111
11010111101111101111
00110110101100111011
11011001010110011110
11111100110010111110
11010000001001111011
11111110100111110011
11111111100111101111
01111111010000000011