Binary (67,4)-code with minimal distance 35 

[1000111111111111111111111111111111111100000000000000000000000000000]
[0100111111111111111110000000000000000011111111111111111000000000000]
[0010111111111000000001111111100000000011111111000000000111111111000]
[0001111100000111100001111000011111000011110000111110000111110000111]