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The Osaka Cipher, AKA Nishin Mystery Cache

Hidden : 4/25/2011
Difficulty:
4 out of 5
Terrain:
1.5 out of 5

Size: Size:   micro (micro)

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Geocache Description:

This cache is NOT at the published coordinates.
Please do not hunt there.


While solving some of the excellent locally-generated puzzles (notably the Cipherdelic and Vulpecula ciphers, as well as the Some Analysis Required series), there have been several times at which I thought I was on the right track only to realize I was totally off-base. Realizing that these moments may have revealed new methods for encoding coordinates, I figured I'd try my hand.


SYKRW GSSXK SQGYG NCYEZ QSFSD WHTMJ SOFLY RMJOB LDTMP IUZBR 
QMJEO QTGET SWERU BOVFS QJRYO BCXEE IMPPL HDEZE ILZLB YELRL 
LDIRD KEJWA MEOBS AZALU SMDGA FMZAB EBEFI QRPTT NEXBG TMTBY 
EMQDH AAWGN DQYVG RKMEO DYOAY MUJRU OPBUG TXOFI OKVHG UBAAI 
QGLKR TGNHA RELEI NGSZV HDSRQ IZLZR BIHYW HLAQE LHVSL YAVSI 
GASST UBSOH ZKOXV RQCAF SXTHV CKLHK NGQRO ARXKA PGYVB HCQUL 
RLJZH LBGUA ROMRO EVLBC YLGVW DSTEC ERPLM STRCH TVACT NHMYS 
POBSO LV

Additional Hints (Decrypt)

[puzzle hint 1] Vs lbh qba'g fcrnx Wncnarfr, jr erpbzzraq jjj.serrqvpg.pbz sbe genafyngvat gur gvgyr. [puzzle hint 2] Arire unq zhpu yhpx jvgu pvcuref? Jr guvax lbh pna unaqyr guvf chmmyr naljnl. [puzzle hint 3] Lbh’er ybbxvat sbe ahzrevp pbbeqvangrf, abg Ratyvfu grkg. [puzzle hint 4] Juvyr guvf chmmyr vfa'g jung vg nccrnef gb or, yrggre serdhrapl nanylfvf zvtug or hfrshy. Erzrzore, lbh ner ybbxvat sbe Abegu naq Jrfg pbbeqvangrf. [cache]zntargvp

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)