The cache is not at the posted coordinates. However, going to the posted coordinates might give you a hint for solving this simple math puzzle. In a world where 1 + 8 = 9 and 2 - 5 = 9, this cache can be found at:
N 39 46.ABC W 075 32.DEF
A = 5 + 4
B = 4 - 7
C = 8 + 5
D = 9 + 8
E = 3 – 7
F = 9 – 2
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