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Half the Size, Twice the Fun Mystery Cache

Hidden : 3/1/2014
Difficulty:
3 out of 5
Terrain:
1.5 out of 5

Size: Size:   small (small)

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Geocache Description:

The cache is not located at the posted coordinates.

Sujiken is a new puzzle based on the wildly popular Sudoku puzzle. A Sujiken puzzle is constructed from 45 cells placed in a right-triangle as shown below.

Some cells already contain a digit from 1 to 9. You must place a digit in each of the remaining empty cells to determine the unique solution that obeys three simple rules:

1) No digit occurs twice in any horizontal row, vertical column or diagonal.
2) No digit occurs twice in any of the three larger 3x3 square regions enclosed by thick borders.
3) No digit occurs twice in any of the three larger triangular regions enclosed by thick borders.



Now on to the fun part. Solve the equation below to obtain the final coordinates.

NORTH: A - C - D + E
A = product of Column 2 multiplied by the sum of Row I
B = sum of Column 4 minus the sum of Column 3
C = product of Column 2 multiplied by Answer B
D = product of Row D multiplied by the sum of Column 6
E = product of Column 6 plus the sum of Row E

WEST: F + G + H - I - Sum of Row G
F = product of Column 1 multiplied by the sum of Row H
G = product of Row H multiplied by the sum of Column 2
H = sum of Column 7 multiplied by the product of Column 5
I = product of Row E minus the product of Row D



You can validate your puzzle solution with certitude.

Additional Hints (Decrypt)

urnq uvtu, abg ba srapr

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)