Binary (46,8)-code with minimal distance 20 

[1000000000011111011111111110000011111000000000]
[0100000011100011011100001110111100011000011110]
[0010000011011010010011101000100010011111011101]
[0001000010110101001011010100010001011110111010]
[0000100011010100101110110101110110001010000101]
[0000010001000111110101000110000110101011110011]
[0000001011111111100000111111111111111111110000]
[0000000100000000011111111111111111111111111111]