The cache is at N 56 ab.cde W 003 fg.hij
a)
minus
minus 
b)
plus 
c)
minus 
d)
minus 
e)
minus
plus 
f)
minus 
g)
minus 
h)
minus
minus 
i)
minus 
j)
minus 
As an additional clue:
equals
plus 
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