Binary (81,19)-code with minimal distance 23

[100000000000000000001010010011100100111000111111111111110001010100100000110110001]
[010000000000000000010101001001110010011100000000000000001111010101101100011011000]
[001000000000000000001100101010001110010011010000000000000010011001010100011100100]
[000100000000000000000110010101000111001010101000000000000001001100101010001110010]
[000010000000000000010011001010100011100110000100000000000000100110010101000111001]
[000001000000000000001111101011100110101101000010000000000010011111010111001101011]
[000000100000000000000001111011000100001011100001000000000011000011110110001000010]
[000000010000000000010000111101100010000110100000100000000001100001111011000100001]
[000000001000000000011110010000000110011101000000010000000010111100100000001100111]
[000000000100000000001001000110110100010011100000001000000011010010001101101000100]
[000000000010000000010100100011011010001010100000000100000001101001000110110100010]
[000000000001000000011010010001101101000110000000000010000000110100100011011010001]
[000000000000100000001011000110000001111101000000000001000010010110001100000011111]
[000000000000010000000011101101110111100011100000000000100011000111011011101111000]
[000000000000001000010001110110111011110010100000000000010001100011101101110111100]
[000000000000000100011000111011011101111010000000000000001000110001110110111011110]
[000000000000000010001100011101101110111110000000000000000100011000111011011101111]
[000000000000000001000000000000000000000000011111111111110000000000000111111111111]
[000000000000000000100000000000000000000000000000000000001111111111111111111111111]