474747 Mystery Cache
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Difficulty:
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Terrain:
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Size: 
(micro)
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Please do not go to the above co-ordinates as they are for a busy
road junction, the cache is not hidden there but it is hidden along
a public bridleway within a mile.
Now its October and the nights are drawing in i thought it was time
to put out a puzzle to exercise the grey cells, and hopefully it
will keep them exercised for quite a while.
The cache can be found at the following coordinates
N (J-D)Oº (T-I)(Y-W).(H-S+E)(J-A-G)(X+Z+G-K)
W (A-N)(V-B)(H-P)º (L-U)(E-K).(T+F-H)(P-M-C)(L-R-M+F)
As you can see you need twenty five numbers, but you have to find
twenty six to get the correct answers.
To get there you need to convert to octal (base 8), and then
determine what the numbers represent. also thinking about how
children are taught about big numbers and their position in that
number might help.
You can check your answers for this puzzle on
Geochecker.com.
Additional Hints
(No hints available.)