Quote Originally Posted by mercury View Post
As I see it, a 6 lever lock with 6 possible notch locations on a lever would mean 6x6x6x6x6x6=46,656 differs, assuming there are no other restrictions upon the key space.

...Mark
I don't understand that. Looking at the key there are 6 unique positions (assuming the entrance slot acts as warding so the key can not be used up side down) and for each of those positions 6 possible depths of cut for a total key space of 36 possible keys.