Binary (55,7)-code with minimal distance 24 

[1000000111010111110110011100010011011101000111100101011]
[0100000110101010100101110001010001010110110100101011001]
[0010000011110101100101001110100110110101010100101010110]
[0001000101111010011101001101011110000100101010100010001]
[0000100111000000000111111111111100001111111110000111111]
[0000010000111111111111111111111000000000000001111111111]
[0000001000000000000000000000000011111111111111111111111]