Best binary codes

Binary (81,13)-code with minimal distance 28

[100000000000111000101000111001111110100010000000000011100010100011100111111010000]
[010000000000010100000101110001001110111001000000000001010000010111000100111011100]
[001000000000001011110100101010111101010000100000000000101111010010101011110101000]
[000100000000101110111100100101000110000000010000000010111011110010010100011000000]
[000010000000110111101011000001100010001000001000000011011110101100000110001000100]
[000001000000011001011111011000101001110000000100000001100101111101100010100111000]
[000000100000111001101100101101001001011000000010000011100110110010110100100101100]
[000000010000111101110101010111111100011000000001000011110111010101011111110001100]
[000000001000101111010011110010000010010000000000100010111101001111001000001001000]
[000000000100001101101111110111111011100000000000010000110110111111011111101110000]
[000000000010100000100001100110101111011000000000001010000010000110011010111101100]
[000000000001011110101010111000010011011000000000000101111010101011100001001101100]
[000000000000000000000000000000000000000011111111111111111111111111111111111111110]