20
110011000101101100010
111011100011111001011
000110010001011111100
001011101100101000001
101110111110001110101
111101010010100111011
011011001110011011110
111000110111100110100
111010111011111000011
000001010001001010111
000001101111100110011
011010111111000010101
000111110000001101000
000000011000110110001
010100000101100011010
001010101011000010000
110000110100101110100
110011111110000011011
010011100001101010110
110111111010001101001
100000100101110110010
