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     _-~.'|`.~-_
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  |---+---+---+---|
   \  \   |   /  /
    \  \  |  /  /
 |~-_~-_~.|.~_-~_-~|
 |   ~-_~---~_-~   |
 |      ~-_-~      |
 |   |-_     _-|   |
 |   |  |   |  |   |
 |   |  |   |  |   |
  \_/   |   |   \_/
        |   |
         \_/

  Symbol (tm) Mensa
 Art by Dave Aronson