A bump to this very old thread. Seems Click and Clack liked Doug's little puzzler.

Reading of question:
http://play.rbn.com/?url=cartalk/cartalk/demand/CT0417-07.ra

Reading of answer:
http://play.rbn.com/?url=cartalk/cartalk/demand/CT0418-04.ra

I don't know how long these links will last, they might take them down after a week or so.

Congrats, Doug! Do you get anything, like a mug or a Shameless Commerce gift certificate?
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Tony Fabris