Binary (41,7)-code with minimal distance 18 

[10000000101011011100100101001111100000011]
[01000001000111010111010000111000111100111]
[00100000100011101011101100011100011110011]
[00010000010101110101110110001110001111001]
[00001000001010111010111111000111000111100]
[00000101010011100100011001111100101011000]
[00000010101101110010001100111110010001100]