Binary (31,25)-code with minimal distance 4

[1000000000000000000000000111101]
[0100000000000000000000000111011]
[0010000000000000000000000111000]
[0001000000000000000000000101111]
[0000100000000000000000000101100]
[0000010000000000000000000101010]
[0000001000000000000000000101001]
[0000000100000000000000000110111]
[0000000010000000000000000110100]
[0000000001000000000000000110010]
[0000000000100000000000000110001]
[0000000000010000000000000100110]
[0000000000001000000000000100101]
[0000000000000100000000000100011]
[0000000000000010000000000011111]
[0000000000000001000000000011100]
[0000000000000000100000000011010]
[0000000000000000010000000011001]
[0000000000000000001000000001110]
[0000000000000000000100000001101]
[0000000000000000000010000001011]
[0000000000000000000001000010110]
[0000000000000000000000100010101]
[0000000000000000000000010010011]
[0000000000000000000000001000111]