Robin Olson said, concisely and well: "Hold on there.I for one find the puzzlers educational.Reading the various guesses is a good excercise in deductive reasoning.Sometimes I have the answer or get it by seeing wrong answers.I think it is good practice in trouble shooting,and if it is a problem you haven't encountered yet,It can be stored away in the mind.And when you actually come across it you might just have a solution and save yourself alot of time." To which I say "Amen." You know what? If we made the list perfect for everyone, everyone would have his or her own list and be the only subscriber to it. Alan Barnard Salem, MO
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