20 20
00111000010011000111
00100010100111000010
00001011101001110110
01000000001111100000
10100010111100001011
10100110101100101100
01011111101000001111
00001000101110100110
00011101011010101110
11111000010101101111
01111011010100100110
00101011100100100110
01011011001001101001
10000001011100100101
00101111110111110100
00011110011110001111
01001011110110000111
01011001001000100100
11000011000100111001
11100110110010101100