Binary (20,10)-code with minimal distance 6 

[10000000001110100100]
[01000000001101010010]
[00100000001100101011]
[00010000001100011101]
[00001000001011001001]
[00000100001010110011]
[00000010001010011110]
[00000001001001110101]
[00000000101001101110]
[00000000010111111111]