Binary (84,7)-code with minimal distance 40 

[100000001111001111111111111110000000000000011111110000110000000000000001111111111111]
[010000011000101010011001010100101111101011010000011000101010011001010100101111101011]
[001000011111001001111100100101100110011111101000111111001001111100100101100110011111]
[000100010100011111101001101000101010101100100100110100011111101001101000101010101100]
[000010001001101111001111000001111000011110000010001001101111001111000001111000011110]
[000001000010010000111111111000000111111110000001000010010000111111111000000111111110]
[000000100000000000000000000000000000000000011111111111111111111111111111111111111111]