Binary (31,18)-code with minimal distance 6

[1000000000011111000000000011110]
[0100000000011100100000000011100]
[0010000000011010010000000011010]
[0001000000011000001000000011000]
[0000100000001110000100000001110]
[0000010000001100000010000001100]
[0000001000001010000001000001010]
[0000000100010110000000100010110]
[0000000010010100000000010010100]
[0000000001010010000000001010010]
[0000000000100110000000000100110]
[0000000000000001000000111000011]
[0000000000000000100000100111010]
[0000000000000000010000100101101]
[0000000000000000001000010110101]
[0000000000000000000100010011011]
[0000000000000000000010001100111]
[0000000000000000000001001011110]