Binary (30,13)-code with minimal distance 8 

[100000000110111100000000110111]
[010000000110001010000000110001]
[001000000110010001000000110010]
[000100000100101000100000100101]
[000010000100110000010000100110]
[000001000010110000001000010110]
[000000100010101000000100010101]
[000000010010011000000010010011]
[000000001000111000000001000111]
[000000000000000100010111010101]
[000000000000000010001110110011]
[000000000000000001011100001111]
[000000000000000000100001111111]