This cache was hidden on November 30, 2005. If your birthday is
on that day, then you have something in common with each of the
people below. Find the years in which they were born to find the
cache...
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ABCD
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EFGH
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IJKL
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MNOP
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QRST
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UVWX
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The Math:
a = I + L
b = W + X
c = B - C
The cache is located at:
N47° 39.abc W122° 16.PGS
The checksum of all fifteen digits is 73.
Enjoy!