Binary (26,13)-code with minimal distance 7 

[10000000000001111000111000]
[01000000000001111000000111]
[00100000000001100110110100]
[00010000000001100101101010]
[00001000000001100100011001]
[00000100000001010110101001]
[00000010000001010001100101]
[00000001000000100010010111]
[00000000100000001101001011]
[00000000010001001110111010]
[00000000001000111011101100]
[00000000000100101101110111]
[00000000000010010111110110]