Binary (93,4)-code with minimal distance 48 

[111000000000111000111111111000111000111000111000111000111000111000111000111000111000111000111]
[000111000000111111111000000000000111111111111000000000000111111111111000000000000111111111111]
[000000111000000000000000111111111111111111111000000000000000000000000111111111111111111111111]
[000000000111000000000000000000000000000000000000111111111111111111111111111111111111111111111]