Binary (78,4)-code with minimal distance 40 

[111110000000000000001111100000111111111111111000001111100000111110000011111000]
[000001111100000000000000011111111111111100000111111111100000000001111111111000]
[000000000011111000001111111111111110000000000000000000011111111111111111111000]
[000000000000000111110000000000000000000011111111111111111111111111111111111000]