Strictly puzzling ... Mystery Cache
Long Man: I have made two requests for this cache to be maintained and the listing is still disabled. I feel the owner has had sufficient time to carry out the required maintenance, but has failed to do so.
Because of this I'm archiving the cache.
Andy
Long Man
Volunteer UK Reviewer - Geocaching.com
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Difficulty:
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Terrain:
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Size: 
(small)
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... and therefore not at the published coordinates
I can tell you that as of December 31st 2012, MR=15 (and the value is unlikely to change), and similarly
TG = A
DB = B
HS = C
JH = D
LH = E
WH = F
GH = G
GB = H
and GB = HS - 1
The cache is at N 51 A.CDE W 000 (B+D+G+H).EFD
This is obviously one of my more devious hides and so it is worth noting that a bit of clambering (a small distance, in total safety) makes accessing the cache a lot easier.
Additional Hints
(Decrypt)
haqre ohg ba gbc (naq frr zl ybt bs Frcg 21fg 2010 sbe zber uryc)