Cache Grande Multi-cache
Deceangi: Rather than keep this cache temporarily disabled (which should only be used for shortish periods) I'm archiving it. If/when the cache is ever replaced I'll gladly unarchive it assuming it still meets the guidelines.
Deceangi Volunteer UK Reviewer Geocaching.com
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Difficulty:
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Terrain:
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Size: 
(large)
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in our disclaimer.
The cache is not hidden at the above co-ords, only the information you require to lead you to the cache.
You can only access this cache between 7am and 11pm.
The muggles are plotting to eradicate all caches by targeting the mother of all caches - Cache GRANDE. If they get to cache GRANDE, the 32Litre dream cache, before you all other caches on earth will be eradicated.
Your mission, if you choose to accept it, is to reach Cache GRANDE ahead of the muggles.
The information you need can be found on the hand dryers in the ladies and gents washrooms. In the gents, its the dryer on your left when facing both dryers. You will need to note the ten digit serial number on both the ladies and the gents hand dryer, in order to be able to reach Cache Grande.
If you are an all male or all female party, then you will need to make a muggle your friend. Do not attempt to enter the washroom of the opposite gender.
Once you have the 2 serial numbers to hand, solve the following to give you an 11 digit telephone number. You will need to call this number to receive the co ords, to proceed to Cache Grande. (the call is charged at local rate)
AB7C2 CD82ED
Take the first digit from the ladies to give you A.
Take the 10th digit from the mens to give you B.
Take the 7th digit from the ladies to give you C.
Take the 9th digit from the mens to give you D.
Take the 10th digit from the ladies to give you E.
Please be aware of muggles as the area around the cache can become busy at times, so stealth is required! Please ensure the cache is well covered before leaving.
This huge cache is full of swaps including a glamorous FTF prize along with a FTF badge.
Enjoy!
Additional Hints
(Decrypt)
oruvaq cvyr bs ybtf, haqre ybtf naq fgvpxf.