Best binary codes

Binary (78,20)-code with minimal distance 20

[100000000000000011110101110111010010000100000000000000011110101110111010010000]
[010000000000000001101000101001011111000010000000000000001101000101001011111000]
[001000000000000001010010101101111100000001000000000000001010010101101111100000]
[000100000000000000101101100111111011000000100000000000000101101100111111011000]
[000010000000000010101010001011010010000000010000000000010101010001011010010000]
[000001000000000011100101000100100011000000001000000000011100101000100100011000]
[000000100000000010001100100000110111000000000100000000010001100100000110111000]
[000000010000000000001110101110001100000000000010000000000001110101110001100000]
[000000001000000000101111010101000001000000000001000000000101111010101000001000]
[000000000100000000010001100011101110000000000000100000000010001100011101110000]
[000000000010000011010000111000010101000000000000010000011010000111000010101000]
[000000000001000000110110000001111010000000000000001000000110110000001111010000]
[000000000000100010101110011100011111000000000000000100010101110011100011111000]
[000000000000010010111011010010010101000000000000000010010111011010010010101000]
[000000000000001011000110010011011110000000000000000001011000110010011011110000]
[000000000000000101010101011001011000000000000000000000101010101011001011000000]
[000000000000000000000000000000000000000111000111111000111011100011111100011100]
[000000000000000000000000000000000000000000111111000111111000011111100011111100]
[000000000000000000000000000000000000000000000000111111111100000000011111111110]
[000000000000000000000000000000000000000000000000000000000011111111111111111111]