20
100010111111000100011
011111000011101101010
111000111100011000110
011111111111101000111
010000100101011001001
011100111110100001110
111011101101101111110
111111010010011101000
111100000100110101111
111111011010110101001
101110101100001100110
101110101010000111101
100110101010110001110
111001010010001101010
010010001100001011010
001101100111000101101
010111011000001001110
000011110101100010010
001111001010111011101
001100011001010000110
010111100111001011000
