If you've determined the numbers correctly, they will be in the
form NN NN NNN WWW WW WWW.
Note that this 35mm film canister from Momma
Cache is well-hidden and could easily rate as difficulty level
3 on its own. Perhaps even higher, as three of the Bay Area's top
geocaching teams failed to find it, yet I've verified that it is
still in place as of 02:00 21 Feb 03.