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A Regular Problem Mystery Cache

Hidden : 12/14/2014
Difficulty:
4 out of 5
Terrain:
2 out of 5

Size: Size:   regular (regular)

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Geocache Description:

The cache is not at the listed coordinates. To find out where it is, you need to solve a little puzzle.


This is the second in my Regular Expression Puzzle series. This puzzle was inspired by a component of the 2013 MIT Mystery Hunt, though it's a walk in the park by MIT standards.
I've also thrown in a couple of twisty tricks I learned from a local cacher or two. Have fun!


Additional Hints (Decrypt)

Znlor gel TP5URJE svefg?

Decryption Key

A|B|C|D|E|F|G|H|I|J|K|L|M
-------------------------
N|O|P|Q|R|S|T|U|V|W|X|Y|Z

(letter above equals below, and vice versa)