Binary (69,8)-code with minimal distance 31

[100000001111111111111100000000000001111111000000000000000111111111111]
[010000001111111000000011111110000001100000111111110000000111111100000]
[001000001111100110000011000001111101010000111111001100000110000011111]
[000100001110011001100000110001111011001000111100110011000001100011110]
[000010001101000101011010101101100011000100111010001010110101011011000]
[000001001011010100010100011011010111000010110110101000101000110110101]
[000000100111010000111001000110101111000001101110100001110010001101011]
[000000010000000000000000000000000000111111111111111111111111111111111]