*** The cache is not at the given coordinates. ***
The answers to the four different Number Puzzles will unlock the location of this cache.
The coordinates of the cache can be found using:
N 51 AB. (C+D)(E*F)G
W 000 (H-J)(G+K).L(M-N+P)
The cache is a camouflaged 1.1 litre lock-lock plastic container.
You can check your answers for this puzzle on GeoChecker.com.