Dandy Sudoku
This puzzle is a little different from normal Sudoku:- Numbers 1 to 9 must appear only once in any row or column
But the numbers 1 to 9 must appear only once in each irregular outlined shape in the grid.

The final cache is located at 27 deg 2S.TUV min South
152 deg 4W.XYZ min East
where:
S = A + B
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W = J + K
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T = C – D
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X = L – M
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U = E + F
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Y = N – P
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V = G – H
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Z = Q – R
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You can check your answers for this puzzle on GeoChecker.com.