20
001111111010001101001
100101110011010000101
101010111000101100000
110000011110100110010
000110111110101111100
000000110110111111000
100101000010100110010
111011000000100010111
101100110111011000101
010010110110101101010
100100100110011111010
110011010011000110000
100010111100111111110
110111100011011001010
011101000000111010100
110010101111000110001
011001001100011110010
101010100001100110110
010100010000011101011
010110000010110001000
111111001111010010110
