If you have never worked one these before you may face bit of challenge but that's what geocaching is all about.
I'm not going to explain how to solve a Sudoku. You can get that information online or from your newspaper or from a friend or neighbor. If you are on this web site you know how to use a computer so you'll figure out the Sudoku.
Once you figure out the puzzle, you can use the numbers along the top and the letters across the side to determine the numbers of the coordinates. For example, 1D = the number 2, and 5I = 9. Since Sudoku puzzles never use zero's, if you see a 0 it is a zero.
The coordinates of the cache are:
N C3 F6 I9 F4 D7 B3 0
W G1 A9 B5 E6 C6 H7 I7
Parking is located at these coordinates
N G2 D2 A8 G7 D3 F8 0
W I4 C2 G4 F1 H2 G2 A4
Good Luck!
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You can validate your puzzle solution with certitude.