Binary (73,4)-code with minimal distance 38 

[1000110000100001000011111000001111111111111110000011111000001111100000111]
[0100001111000000000000000111111111111111000001111111111000000000011111111]
[0010000000011110000011111111111111100000000000000000000111111111111111111]
[0001000000000000111100000000000000000000111111111111111111111111111111111]