Binary (68,8)-code with minimal distance 30 

[10000000111111111111110000000000001111111000000000000000111111111111]
[01000000111111100000001111111000001100000111111110000000111111100000]
[00100000111110011000001100000111111010000111111001100000110000011111]
[00010000111001100110000011000111101001000111100110011000001100011110]
[00001000110100010101101010110110001000100111010001010110101011011000]
[00000100101101010001010001101101011000010110110101000101000110110101]
[00000010011101000011100100011010111000001101110100001110010001101011]
[00000001000000000000000000000000000111111111111111111111111111111111]