Binary (63,31)-code with minimal distance 12

[100000000000000000000000000000010011001001111110000001100001000]
[010000000000000000000000000000010010111011111101000000010000110]
[001000000000000000000000000000000111111001110010110001011000000]
[000100000000000000000000000000000001110101110001101011011010110]
[000010000000000000000000000000011110010011101100100110111100000]
[000001000000000000000000000000001011011101101000011101111000010]
[000000100000000000000000000000011000001011011000101101101100010]
[000000010000000000000000000000001100111101010011001101011111010]
[000000001000000000000000000000010101100111001010110111110101010]
[000000000100000000000000000000011110101111000101110101100111000]
[000000000010000000000000000000011111000101100000000011111000101]
[000000000001000000000000000000010010010101010000000010010010101]
[000000000000100000000000000000011011110001001000000011011110001]
[000000000000010000000000000000011101111011000100000011101111011]
[000000000000001000000000000000000100001111000010000000100001111]
[000000000000000100000000000000000011100011000001000000011100011]
[000000000000000010000000000000001110001001000000100001110001001]
[000000000000000001000000000000011100100001000000010011100100001]
[000000000000000000100000000000010111101010000000001010111101010]
[000000000000000000010000000000011010110110000000000111010110110]
[000000000000000000001000000000000000000000111111111100000000001]
[000000000000000000000100000000000000000000111110000011111000001]
[000000000000000000000010000000000000000000111101000010000111101]
[000000000000000000000001000000000000000000110010110001100111001]
[000000000000000000000000100000000000000000110001101011010100011]
[000000000000000000000000010000000000000000101100100101001110011]
[000000000000000000000000001000000000000000101000011100100011111]
[000000000000000000000000000100000000000000011000101110101101001]
[000000000000000000000000000010000000000000010011001100111000111]
[000000000000000000000000000001000000000000001010110101011001101]
[000000000000000000000000000000100000000000000101110110010010111]