Binary (76,18)-code with minimal distance 21

[1000000000000001001100101010001110010010000000000000010011001010100011100100]
[0100000000000000100110010101000111001001000000000000001001100101010001110010]
[0010000000000000010011001010100011100100100000000000000100110010101000111001]
[0001000000000001001111101011100110101100010000000000010011111010111001101011]
[0000100000000001100001111011000100001000001000000000011000011110110001000010]
[0000010000000000110000111101100010000100000100000000001100001111011000100001]
[0000001000000001011110010000000110011100000010000000010111100100000001100111]
[0000000100000001101001000110110100010000000001000000011010010001101101000100]
[0000000010000000110100100011011010001000000000100000001101001000110110100010]
[0000000001000000011010010001101101000100000000010000000110100100011011010001]
[0000000000100001001011000110000001111100000000001000010010110001100000011111]
[0000000000010001100011101101110111100000000000000100011000111011011101111000]
[0000000000001000110001110110111011110000000000000010001100011101101110111100]
[0000000000000100011000111011011101111000000000000001000110001110110111011110]
[0000000000000010001100011101101110111100000000000000100011000111011011101111]
[0000000000000000000000000000000000000010011111111111111111111000000000000000]
[0000000000000000000000000000000000000001011111111110000000000111111111100000]
[0000000000000000000000000000000000000000111111100001111100000111110000011111]