Old 08-31-2010, 10:31 AM
  #5  
bearisgray
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Join Date: May 2008
Location: MN
Posts: 24,394
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Maybe draw another line in a different color when the pieces start to mirror each other?

Like in column one where the numbers go from ... 20, 19, 18, 18, 19, 20 . . . between the two 18s
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