Best binary codes

Binary (20,13)-code with minimal distance 4


[10000000000000111100]
[01000000000000111011]
[00100000000000110111]
[00010000000000110001]
[00001000000000110010]
[00000100000000011101]
[00000010000000011010]
[00000001000000010110]
[00000000100000101110]
[00000000010000101001]
[00000000001000100101]
[00000000000100100011]
[00000000000010001111]