Binary (81,27)-code with minimal distance 18

[100000000000000000000101111100111001111110000000000000000000010111110011100111110]
[010000000000000000001001000111101111000101000000000000000000100100011110111100010]
[001000000000000000001111011010000100011000100000000000000000111101101000010001100]
[000100000000000000000111101101000010001100010000000000000000011110110100001000110]
[000010000000000000001000001111010010111100001000000000000000100000111101001011110]
[000001000000000000001111111110011010100100000100000000000000111111111001101010010]
[000000100000000000001100000110111110101000000010000000000000110000011011111010100]
[000000010000000000000110000011011111010100000001000000000000011000001101111101010]
[000000001000000000001000111000011100010000000000100000000000100011100001110001000]
[000000000100000000000100011100001110001000000000010000000000010001110000111000100]
[000000000010000000000010001110000111000100000000001000000000001000111000011100010]
[000000000001000000001010111110110000011000000000000100000000101011111011000001100]
[000000000000100000000101011111011000001100000000000010000000010101111101100000110]
[000000000000010000001001010110011111111100000000000001000000100101011001111111110]
[000000000000001000001111010010111100000100000000000000100000111101001011110000010]
[000000000000000100001100010000101101111000000000000000010000110001000010110111100]
[000000000000000010000110001000010110111100000000000000001000011000100001011011110]
[000000000000000001001000111101111000100100000000000000000100100011110111100010010]
[000000000000000000101111100111001111101000000000000000000010111110011100111110100]
[000000000000000000010111110011100111110100000000000000000001011111001110011111010]
[000000000000000000000000000000000000000010000000011011101010100010101100110100110]
[000000000000000000000000000000000000000001000000100001000011111110000001111111100]
[000000000000000000000000000000000000000000100001110101110001101011110101010011000]
[000000000000000000000000000000000000000000010001001111100111110001000000101110010]
[000000000000000000000000000000000000000000001001111101100111111110111110101001110]
[000000000000000000000000000000000000000000000100001101011010101100110011001100110]
[000000000000000000000000000000000000000000000010001111111110010100010101010011000]