Wrong.
One cable would have pins 1,2,3,6 at one end wired to pins 3,6,1,2 at the other end. The other cable has pins 3,6,1,2 at one end wired to pins 1,2,3,6 at the other end.
The net effect would be pins 1,2,3,6 of one end of one cable connecting to pins 1,2,3,6 at the other end of the...