Binary (81,26)-code with minimal distance 18

[100000000000000000000000000100111111010101001011000111010111000010010001000010010]
[010000000000000000000000001001110010011110101000100011101011000110001111111010100]
[001000000000000000000000000100111001001101010100010101110101100011000111111101010]
[000100000000000000000000000010011100100100101010001010111010110101100011111110101]
[000010000000000000000000001010100011100110011001010011100100111111101001101100001]
[000001000000000000000000000101010001110001001100101101110010011111110100110010000]
[000000100000000000000000000010101000111000100111000000000000001001100101010001110]
[000000010000000000000000001010111001101010011110100000000000100111110101110011010]
[000000001000000000000000001110110001000011000010010000000000110000111101100010000]
[000000000100000000000000001111011000100001100000001000000000011000011110110001000]
[000000000010000000000000000100000001100110111100000100000000101111001000000011001]
[000000000001000000000000000001101101000111010010000010000000110100100011011010001]
[000000000000100000000000001000110110100001101000000001000000011010010001101101000]
[000000000000010000000000000100011011010000110100000000100000001101001000110110100]
[000000000000001000000000000001100000011110010110000000010000100101100011000000111]
[000000000000000100000000001011011101111011000110000000001000110001110110111011110]
[000000000000000010000000001101101110111101100010000000000100011000111011011101111]
[000000000000000001000000001110110111011100110000000000000010001100011101101110111]
[000000000000000000100000000111011011101100011000000000000001000110001110110111011]
[000000000000000000010000000000000000000000000000101011011100100101001111100000011]
[000000000000000000001000000000000000000000000001000111010111010000111000111100111]
[000000000000000000000100000000000000000000000000100011101011101100011100011110011]
[000000000000000000000010000000000000000000000000010101110101110110001110001111001]
[000000000000000000000001000000000000000000000000001010111010111111000111000111100]
[000000000000000000000000100000000000000000000001010011100100011001111100101011000]
[000000000000000000000000010000000000000000000000101101110010001100111110010001100]