Quadruple coded cache Mystery Cache
Long Man: As the owner has not responded to my previous log requesting that they check this cache, I'm archiving it.
Andy
Long Man
Volunteer UK Reviewer - Geocaching.com
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Difficulty:
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Terrain:
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Size: 
(regular)
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To solve this cache you will have to decode the message, which has been coded 4 times with 4 different codes.
This is the code:
10110 101 1011 1000, 100 10101 1011 10110, 1001 11001 10101 10010 10101 100, 10010 10001, 101 10011 11000 101/ 10000 10101 1000 101, 100 101 1100 10101, 11 101 11010 10001, 101 10011 11000 1010, 1010 1000 11001 10010 1011 1001.
The cache is at N50 ??.??? W000 ??.???
To stop the puzzle being completely impossible you get the following clues:
1st stage: The first number (10110) = 22
2nd stage: Convert the numbers into letters with the cipher 1=A, 2=B, 3=C etc. (Not so much a clue, this one you don't have to figure out how to do it).
3rd stage: Use a famous cipher named after and used by a very famous Roman general (it may take you a while to get through all the combinations).
4th stage: This one you have to work out completely by yourself, but it should be pretty obvious.
The slash in the code is there to divided up the north and west co-ordinates, but you should do both parts together. There is a geochecker for the final co-ordinates
(visit link) but I also reccomend checking each part as you go, as one small mistake at the beginning could make an hour's work pointless. I have had lots of emails from confused cachers who have all got the penultimate digit of the north co-ordinates wrong (it's NOT 3), so when doing the last stage, if geochecker says no then it's likely that this is where you've gone wrong. There are multiple options for what it could be, so just for this one word you get an extra clue: choose the red one. Of course, if you get stuck at any part you can email me for a hint.
The final cache is within 500m of the given location, it's a small regular (if you get what I mean), with a simple camouflage.
Paying parking is available around the area. For public transport, you will understand that I can't say much due to this being a puzzle cache, but I think it's pretty harmless to say that the 7, 14, 14C, 27, 55, 56 and 77 buses all go through seven dials, which is fairly near to the cache.
IT SHOULD NOT BE NECESSARY TO GO THROUGH ANY NETTLES TO ACCESS THE CACHE.
Congratulations to Bungleski for the FTF!
Additional Hints
(Decrypt)
Haqre ovt ybt, ba gur evtug fvqr.