yeah it was so easy to get sucked into numbers and looking for
   patterns.* This was back in Oct 13.* I forget now but I was
   charting something with large numbers and greatest common
   denominators and squares and found this.* Anyway, don't get
   sucked into numbers.* They'll give you lots of pretty patterns
   and you'll think you're onto something significant only to
   stumble upon some guy named Euclid or Cantor or Lorenz or
   whoever that probably worked it out a long time ago :P
   I can't find the spiral but this is the kind of stuff I'm
   talking about; getting sucked into something and letting it take
   over.* I find this stuff interesting but always have to watch
   out for letting it take over, so I like to stay on the line
   between the two sides, between kook and status
   quo.[1]gcd-chart-2

References

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   1. http://icopiedyou.com/wp-content/uploads/2015/07/gcd-chart-2.jpg