Binary (49,7)-code with minimal distance 23 

[1000000110010111011101010110001010011010110101001]
[0100000011001011101110101011000101001101011010100]
[0010000101111111100001001110010001001010001011011]
[0001000110100101100110111100111011001001100011100]
[0000100011010010110011011110011101100100110001110]
[0000010001101001011001101111001110110010011000111]
[0000001000110100101100110111100111011001001100011]