Binary (71,4)-code with minimal distance 36 

[10001111000111111000111111000111111100111111000111111000111111000111111]
[01000000011111111000000000111111111000000000111111111000000000111111111]
[00100000000000000011111111111111111000000000000000000111111111111111111]
[00010000000000000000000000000000000011111111111111111111111111111111111]