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School Days Puzzles #10: 1,2,3

A cache by =Andy_R Send Message to Owner Message this owner
Hidden : 7/13/2012
3 out of 5
1.5 out of 5

Size: Size: small (small)

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Geocache Description:

Not at the published coordinates which are for a pub. This is the tenth puzzle in my School Days Puzzles series, where each puzzle is (very loosely) based on a different school subject. All of the puzzles can be picked up on a circular walk starting and ending in Downside. There are several traditional caches, a few other puzzles, and a couple of church micros en-route as well.

Consider the following series:

      (d,e) ={(4,3), (4,3), (4,5), ...}

Assume N 51 and W 000 and complete the coordinates using:

      Northing = (4,5)*(4,4)*(5,3)*(8,8)*(7,6) + (4,4)*(5,6)*(8,8) - (8,9)
      Westing = (4,5)*(5,3)*(6,5)*(5,6)*(8,9) - (4,4)*(8,7)*(8,9) + (8,8)

Divide by 1000.

In case of ambiguity use the smallest.
Looking for another clue? How about GC2Z8F0

The school days puzzles series (so far) is:

Additional Hints (Decrypt)

[Puzzle] Frr gur eryngrq jro cntr. Cnebabznfvn.
[Cache] Frr Trbpurpx.

Decryption Key


(letter above equals below, and vice versa)



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Coordinates are in the WGS84 datum

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