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Sujiken-terbury 6: @#$%&!! (Canterbury) Mystery Cache

Hidden : 11/24/2011
Difficulty:
5 out of 5
Terrain:
1.5 out of 5

Size: Size:   small (small)

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Geocache Description:

The cache is not at the listed coordinates, but it is within a few kilometres.

One of my buddies, George, invented a new number puzzle game, called Sujiken, that is similar to Sudoku, but with a twist.

This is the hardest cache in a six-cache puzzle series.


This cache is part of a series that requires you to find mystery caches by first solving five Sujiken puzzles of varying difficulty. Each of the five puzzle solutions contains the coordinates for a cache, and placed in each physical cache container is part of a final "Killer" Sujiken puzzle, whose solution leads to this cache.

The five caches containing the necessary parts for this one are:

  1. "Sujiken-terbury 1: Easy" (GC37CZD)
  2. "Sujiken-terbury 2: Intermediate" (GC37CZE)
  3. "Sujiken-terbury 3: Challenging" (GC37CZF)
  4. "Sujiken-terbury 4: Difficult" (GC37CZG)
  5. "Sujiken-terbury 5: Gimme a Break!!" (GC37CZH)

If you are new to Sujiken, you might want to do them in order.

The rules for Sujiken are simple, and are as follows:

  1. The goal is to fill all empty cells in the Sujiken board shown below, starting with the numbers you collected from the other five caches in the series.
  2. Place the digits from 1 to 9 so no digit is repeated within a horizontal row, vertical column, or diagonal in any direction.
  3. No digit is repeated within the three triangular regions and the three 3x3 square regions marked by thick borders.
  4. You can logically determine the solution without guessing.
  5. Each puzzle has only one solution.


Each column in the Sujiken board is denoted by a letter (A-I), and each row by a number (1-9).

After solving the puzzle, if you add up all the numbers in a given row (row 1, for example), you will get a number (Row1). Similarly, if you add up all the numbers in a given column (column D, for example), you will get a number (ColD). Do this computation for every row and column in your solution, and use those results in order to calculate the location of the cache according to the formulas below.

S 43 3S.TUV
E 172 3W.XYZ

S = Row6 - Row8
T = Row3 - ( ColD + Row8 )
U = ColE - Row4
V = ColG - Row8

W = ColC - Row3
X = Row4 - ColD
Y = Row3 - Row4
Z = Row7 - Row6

Notes on the Cache Sites:

  • Parking may be a bit difficult for this one, so please park in a safe place.
  • Please replace the cache where you found it, and attempt to keep it hidden from sight.

Congrats to pjoyce for the FTF! Well done!

Additional Hints (Decrypt)

[Practice]: Lbh pna tb gb na boivbhf HEY sbe zber Fhwvxra cenpgvpr. [Final]: Tebhaq yriry, oruvaq gur bayl ynetr gerr .

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)