20
001010100100111111000
101001110111010001101
100001100110001011011
010000100110001001110
011111010000110010111
010101101011111111001
111000001011011100111
110011111000000010010
000011011100011111110
100101110010111001010
011110011010010111100
011000011001000011100
001111000011001010101
111101011001101101101
100100011100011101100
100000101110101111100
000100100000100110111
100000111011101001001
110000010111101100110
000001111100010101011
100000110000001101000
