Binary (31,10)-code with minimal distance 12 

[1000000000111110000011111000001]
[0100000000111101000010000111101]
[0010000000110010110001100111001]
[0001000000110001101011010100011]
[0000100000101100100101001110011]
[0000010000101000011100100011111]
[0000001000011000101110101101001]
[0000000100010011001100111000111]
[0000000010001010110101011001101]
[0000000001000101110110010010111]