Binary (67,31)-code with minimal distance 12

[1000000000000000000000101010111011000000000000000000000101010111010]
[0100000000000000000000110011011010100000000000000000000110011011010]
[0010000000000000000000100110010010010000000000000000000100110010010]
[0001000000000000000000100101110110001000000000000000000100101110110]
[0000100000000000000000001111110010000100000000000000000001111110010]
[0000010000000000000000000011101010000010000000000000000000011101010]
[0000001000000000000000111100100110000001000000000000000111100100110]
[0000000100000000000000010110111010000000100000000000000010110111010]
[0000000010000000000000110000010110000000010000000000000110000010110]
[0000000001000000000000011001111010000000001000000000000011001111010]
[0000000000100000000000101011001110000000000100000000000101011001110]
[0000000000010000000000111101011110000000000010000000000111101011110]
[0000000000001000000000111110001010000000000001000000000111110001010]
[0000000000000100000000100100101010000000000000100000000100100101010]
[0000000000000010000000110111100010000000000000010000000110111100010]
[0000000000000001000000111011110110000000000000001000000111011110110]
[0000000000000000100000001000011110000000000000000100000001000011110]
[0000000000000000010000000111000110000000000000000010000000111000110]
[0000000000000000001000011100010010000000000000000001000011100010010]
[0000000000000000000100111001000010000000000000000000100111001000010]
[0000000000000000000010101111010100000000000000000000010101111010100]
[0000000000000000000001110101101100000000000000000000001110101101100]
[0000000000000000000000000000000001000000001111110101000111111100011]
[0000000000000000000000000000000000100000001011011110110000110100111]
[0000000000000000000000000000000000010000000010111111001101100010100]
[0000000000000000000000000000000000001000000011101101100000011110101]
[0000000000000000000000000000000000000100001110001011000101010100111]
[0000000000000000000000000000000000000010000111000110101011011000101]
[0000000000000000000000000000000000000001000110101110010010110010011]
[0000000000000000000000000000000000000000100000001111111000000001111]
[0000000000000000000000000000000000000000010000000000000011111111111]