Binary (54,7)-code with minimal distance 24 

[100000001101110010110111000011101110101101101100110010]
[010000001101010111111100110001110001100101000001010100]
[001000011100110011001100000101111010000110011110011000]
[000100011110001111001111100011110011111001111100011110]
[000010011111000000111111110000001111111000000011111110]
[000001000000111111111111100000000000000111111111111110]
[000000100000000000000000001111111111111111111111111110]