Binary (31,11)-code with minimal distance 11 

[1000000000011111111110000000000]
[0100000000011111000001111100000]
[0010000000011110100001000011110]
[0001000000011001011000110011100]
[0000100000011000110101101010001]
[0000010000010110010010100111001]
[0000001000010100001110010001111]
[0000000100001100010111010110100]
[0000000010001001100110011100011]
[0000000001000101011010101100110]
[0000000000100010111011001001011]