Tribute to Al-Cab Mystery Cache
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Like every geocaching addict, Al-cab cannot resist the Call of the Reviewer. Any new publication means a new "FTF Quest", cache after cache.
Learning about all these boxes located less than 15000 miles away from home, he first thought of a provocation. Then, he took his geocaching backpack and ran to his garage where was his favorite geocaching Backhoe. He checked up the stuff in his bag: electric torch, climbing gear, drill, grinder, hacksaw, waterproof pencil, scuba gear and - he could not forget it - his shotgun, which once allowed him to make this wonderful FTF in the Amazonian jungle, when Tohmlin made this funny joke, hiding a traditional cache in a crocodile's belly.
All was ready for the challenge.
Two months later - a backhoe is not the fastest vehicle ever - our friend arrives at the top-left of the below map. Damn it! All of a sudden, his vehicle's weight became a huge piece of a problem! Hardly putting a wheel on the first bridge, the bridge's frailty scared him so much that he thought "I won't be able to get back on the same bridge with my backhoe!". Thus, he stopped and he started thinking about a strategy to grab all caches with only one course on each bridge.
A few minutes later, "Eureka!". After a strong headache and thanks to a successful strategy, Al-cab could grab every box in this area and log the FTFs.
Do you know how he made it?
N. 48.5X.XXX
E. 002.2Y.YYY
XXXX = Year of the Chemistry Nobel Prize.
YYYY = Year of the Mathematical proof's publication.
Good luck !
Additional Hints
(Decrypt)
Uvag va gur purpxre.