20
101010111000101000111
010100111010000101010
000000011100100101110
101111010101011100110
001000001011100011010
001001111111010010011
100110110110011001011
101011100100000111110
111000010001010011101
101110100100000101010
001101001000100100000
101011111111011001100
110110011111100000000
000001001100101001101
000001101101001011000
110110011000010101100
101101101100111011110
001010110110010100100
011111010111001100111
110010000111110000101
111011111100011010100
