Binary (53,7)-code with minimal distance 24 

[10000000110111001011011100001110111010110110110011001]
[01000000110101011111110011000111000110010100000101010]
[00100001110011001100110000010111101000011001111001100]
[00010001111000111100111110001111001111100111110001111]
[00001001111100000011111111000000111111100000001111111]
[00000100000011111111111110000000000000011111111111111]
[00000010000000000000000000111111111111111111111111111]