Binary (20,11)-code with minimal distance 5 

[10000000000111100011]
[01000000000111010010]
[00100000000110101001]
[00010000000110010101]
[00001000000110001110]
[00000100000101100100]
[00000010000101011001]
[00000001000101001111]
[00000000100100111010]
[00000000010100110111]
[00000000001011111111]