Best binary codes

Binary (71,18)-code with minimal distance 20

[10000000000000001101000101001011111100000000000000011010001010010111110]
[01000000000000001010010101101111100010000000000000010100101011011111000]
[00100000000000000101101100111111011001000000000000001011011001111110110]
[00010000000000010101010001011010010000100000000000101010100010110100100]
[00001000000000011100101000100100011000010000000000111001010001001000110]
[00000100000000010001100100000110111000001000000000100011001000001101110]
[00000010000000000001110101110001100000000100000000000011101011100011000]
[00000001000000000101111010101000001000000010000000001011110101010000010]
[00000000100000000010001100011101110000000001000000000100011000111011100]
[00000000010000011010000111000010101000000000100000110100001110000101010]
[00000000001000000110110000001111010000000000010000001101100000011110100]
[00000000000100010101110011100011111000000000001000101011100111000111110]
[00000000000010010111011010010010101000000000000100101110110100100101010]
[00000000000001011000110010011011110000000000000010110001100100110111100]
[00000000000000101010101011001011000000000000000001010101010110010110000]
[00000000000000000000000000000000000100111000011111100001111100000111110]
[00000000000000000000000000000000000010000111111111000001111111111000000]
[00000000000000000000000000000000000001000000000000011111111111111111110]