Binary (45,7)-code with minimal distance 20 

[100000010100011001110001101111001110011100000]
[010000100101100111111111111111000000000000000]
[001001000100010101001100101010010111110101100]
[000101110101100100111110010010110011001111100]
[000011110000001111110100110100010101010110000]
[000000001100110111100111100000111100001111000]
[000000000011001000011111111100000011111111000]