Binary (69,31)-code with minimal distance 12

[100000000000111101000000000001111010000000000011110100000000000111100]
[010000000000111010100000000001110101000000000011101010000000000111010]
[001000000000110110010000000001101100100000000011011001000000000110110]
[000100000000110000001000000001100000010000000011000000100000000110000]
[000010000000011110000100000000111100001000000001111000010000000011110]
[000001000000011000000010000000110000000100000001100000001000000011000]
[000000100000010100000001000000101000000010000001010000000100000010100]
[000000010000010010000000100000100100000001000001001000000010000010010]
[000000001000101100000000010001011000000000100010110000000001000101100]
[000000000100101010000000001001010100000000010010101000000000100101010]
[000000000010100110000000000101001100000000001010011000000000010100110]
[000000000001001110000000000010011100000000000100111000000000001001110]
[000000000000000001000000011100110000000000000000000100000001110011000]
[000000000000000000100000011100001100000000000000000010000001110000110]
[000000000000000000010000010011101000000000000000000001000001001110100]
[000000000000000000001000010010110100000000000000000000100001001011010]
[000000000000000000000100001011010100000000000000000000010000101101010]
[000000000000000000000010001001101100000000000000000000001000100110110]
[000000000000000000000001000110011100000000000000000000000100011001110]
[000000000000000000000000100101111000000000000000000000000010010111100]
[000000000000000000000000000000000010000000000111111111100000000001000]
[000000000000000000000000000000000001000000000111110000011111000001000]
[000000000000000000000000000000000000100000000111101000010000111101000]
[000000000000000000000000000000000000010000000110010110001100111001000]
[000000000000000000000000000000000000001000000110001101011010100011000]
[000000000000000000000000000000000000000100000101100100101001110011000]
[000000000000000000000000000000000000000010000101000011100100011111000]
[000000000000000000000000000000000000000001000011000101110101101001000]
[000000000000000000000000000000000000000000100010011001100111000111000]
[000000000000000000000000000000000000000000010001010110101011001101000]
[000000000000000000000000000000000000000000001000101110110010010111000]