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Finagle's Third Law: In any collection of data, the figure most obviously correct, beyond all need of checking, is the mistake Corollaries: (1) Nobody whom you ask for help will see it. (2) The first person who stops by, whose advice you really don't want to hear, will see it immediately.
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         ,-^-.
         !oYo!
        /./=\.\______
           ##        )\/\
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 expr 15 + 5