Binary (84,4)-code with minimal distance 44 

[100011111111111111111111111111111111111111111110000000000000000000000000000000000000]
[010011111111111111111111110000000000000000000001111111111111111111110000000000000000]
[001011111111111100000000001111111111000000000001111111111000000000001111111111100000]
[000111111100000011111000001111100000111111000001111100000111111000001111110000011110]