Binary (43,7)-code with minimal distance 20 

[1000000101000110011100011011110011100111000]
[0100000001111001111111111111110000000000000]
[0010000011000101010011001010100101111101011]
[0001000111111001001111100100101100110011111]
[0000100110100011111101001101000101010101100]
[0000010001001101111001111000001111000011110]
[0000001000010010000111111111000000111111110]