Binary (48,7)-code with minimal distance 22 

[100000011100011011100001110111100011000011110000]
[010000011011010010011101000100010011111011101000]
[001000010110101001011010100010001011110111010100]
[000100011010100101110110101110110001010000101100]
[000010001000111110101000110000110101011110011100]
[000001011111111100000111111111111111111110000000]
[000000100000000011111111111111111111111111111110]