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+1 vote
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This is a challenge cache for the two-letter state postal abbreviations  in the GC number. It also includes the District of Columbia and the eight US Territories/ Possessions. I have also indicated the substitutions of the letters and numbers that are not assigned into GC codes.

Thanks.
in Miscellaneous by K8tee (180 points)

2 Answers

0 votes
by vogelbird (Expert) (56.7k points)
0 votes
Yes, it works. Thanks!
by K8tee (180 points)
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