Thomae Park Mystery Cache
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On the edge of Somerset County - near the Middlesex County border -
is a quaint little park with a playground, a baseball field, a
basketball court and some Open Space territory. Welcome to Thomae
Park! In order to locate the cache, you'll first need to solve a
simple puzzle using info that can be gathered from within the
playground.
Begin by locating two 10-character serial numbers that are
imprinted on two objects within the grounds of the park. The
objects are both manufactured by the same company - so they have
very similar serial numbers. Next, within the serial numbers
surrounded by letters are numeric digits - a string of four
numerals, as well as a single numeral. Now, compare the four digits
in the two serial numbers to determine the difference between those
two strings of numbers - this will give you variable "X".
Similarly, determine the difference between the single numerals to
calculate variable "Y". Finally, take the "X" value and
subtract it from the posted North coordinate & take the
"Y" value and add it to the posted West coordinate.
Additional Hints
(Decrypt)
[Locating serial numbers] Frnepu sbe Rin - bapr lbh svaq ure lbh'yy or irel pybfr
[Cache] Abbx bs gjb-gehax gerr
Treasures
You'll collect a digital Treasure from one of these collections when you find and log this geocache:

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