To determine the cache coordinates, you must solve the Sudoku puzzle above. The cache is located at N42 12.ABC W088 10.XYZ.
Sudoku is a puzzle requiring reason and logic. Fill in the grid so that every row, every column, and every 3x3 box contains the digits 1 through 9. There's no math skills involved. The grids have numbers, but nothing has to add up to anything else.
That's all there is to it.
Click here for a printable version of the puzzle.
Please bring a pen to GZ to sign the log.
Congratulations to MR. CHARLIE for being FTF!