Binary (20,16)-code with minimal distance 2 

[10000000000000001000]
[01000000000000001000]
[00100000000000001000]
[00010000000000001000]
[00001000000000001000]
[00000100000000001000]
[00000010000000001000]
[00000001000000001000]
[00000000100000001000]
[00000000010000001000]
[00000000001000001000]
[00000000000100001000]
[00000000000010001000]
[00000000000001001000]
[00000000000000101000]
[00000000000000011000]