Binary (71,9)-code with minimal distance 31

[10000000011111111111110000000000000111111111000000000000001111111111111]
[01000000011111100000001111111000000111000000111111100000001111111000000]
[00100000011110011000001100000111110110100000111110011000001100000111110]
[00010000011001100110000011000111101110010000111001100110000011000111101]
[00001000010101010001100010110110011110001000110101010001100010110110011]
[00000100001101000101011000101001111110000100101101000101011000101001111]
[00000010011100010011010101011101001100000010011100010011010101011101001]
[00000001011100001100110101110010101010000001111100001100110101110010101]
[00000000100000000000000000000000000001111111111111111111111111111111111]