20
000101000010100100011
010010011101011010000
011000110100000100110
111100011011010101110
001001101111101101011
001111010111000010100
010001011011011011111
100011110101000111110
011011011010100111100
101110101111100101111
111001001100110101101
101101001000111001110
100101110011011110111
100000011010010000100
110010001000100111100
001011100101001000000
010110100100100110111
111110100001100100011
101000111100100110101
010011010010001001010
010011000001010010100
