Best binary codes

Binary (28,18)-code with minimal distance 5

[1000000000000000000011111100]
[0100000000000000000000111010]
[0010000000000000001111001001]
[0001000000000000000101101110]
[0000100000000000001100000101]
[0000010000000000000110011110]
[0000001000000000001010110011]
[0000000100000000001111010111]
[0000000010000000001111100010]
[0000000001000000001001001010]
[0000000000100000001101111000]
[0000000000010000001110111101]
[0000000000001000000010000111]
[0000000000000100000001110001]
[0000000000000010000111000100]
[0000000000000001001110010000]
[0000000000000000101011110101]
[0000000000000000011101011011]