computer-go: Pattern search/matching

["Jeff Massung" <jmassung@xxxxxxxxxxx>]

How have any of you performed pattern matching quickly (ie hash/tree) with 
patterns that allow for indices marked "don't care"?  Right now, for each of 
code I've just done brute force search, but am having a hard time thinking 
of a more ellegant method.  All my hash functions don't work, and my trees 
aren't working either.

Thanks!
Jeff

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