Binary (56,6)-code with minimal distance 28 

[10000011101010111101000101010111010001010110001011101010]
[01000011011001010001110110011100011101100101000111011001]
[00100010000111101011100001111010111000011100101110000111]
[00010000111111000100001111110001000011111100010000111111]
[00001000000000011111111111110000000000000011111111111111]
[00000100000000000000000000000111111111111111111111111111]