Programming challenge: wildcard exclusion in cartesian products

funkyj funkyj at
Thu Mar 16 22:40:15 CET 2006

NOTE: I am a lisp newbie.  I'm sure our resident lisp experts can
create much better (both faster, shorter and clearer) solutions than
the one above.

Even I could have created something shorter but I thought it would be
fun to apply the "utility function" approach in decomposing the


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