Binary (28,22)-code with minimal distance 4

[1000000000000000000000111101]
[0100000000000000000000111110]
[0010000000000000000000111000]
[0001000000000000000000101111]
[0000100000000000000000101100]
[0000010000000000000000101010]
[0000001000000000000000101001]
[0000000100000000000000011100]
[0000000010000000000000011111]
[0000000001000000000000011001]
[0000000000100000000000001110]
[0000000000010000000000001101]
[0000000000001000000000001011]
[0000000000000100000000110100]
[0000000000000010000000110111]
[0000000000000001000000110001]
[0000000000000000100000100110]
[0000000000000000010000100101]
[0000000000000000001000100011]
[0000000000000000000100010101]
[0000000000000000000010010110]
[0000000000000000000001000111]