Binary (31,24)-code with minimal distance 4

[1000000000000000000000001110110]
[0100000000000000000000001110000]
[0010000000000000000000001110011]
[0001000000000000000000001100100]
[0000100000000000000000001100111]
[0000010000000000000000001100001]
[0000001000000000000000001100010]
[0000000100000000000000001010100]
[0000000010000000000000001010111]
[0000000001000000000000001010001]
[0000000000100000000000001010010]
[0000000000010000000000001000101]
[0000000000001000000000001000110]
[0000000000000100000000000110111]
[0000000000000010000000000110100]
[0000000000000001000000000110010]
[0000000000000000100000000110001]
[0000000000000000010000000100110]
[0000000000000000001000000100101]
[0000000000000000000100000100011]
[0000000000000000000010000010110]
[0000000000000000000001000010101]
[0000000000000000000000100010011]
[0000000000000000000000010000111]