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Timeline for Can Isaac get an even tan?

Current License: CC BY-SA 3.0

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Apr 13, 2017 at 12:50 history edited CommunityBot
replaced http://puzzling.stackexchange.com/ with https://puzzling.stackexchange.com/
Jun 5, 2015 at 17:10 comment added leoll2 @JLee My first attempt was a 100, and I immediately realized that the optimal path was the one with the shortest violet path. It wasn't very difficult to build a 68 pattern, the real difficulty is proving that 64 is impossible. For that, I was greatly helped by Julian Rosen!
Jun 5, 2015 at 3:57 comment added MisterEman22 Good, I was hoping that if nobody could find a 64 one, then someone would be able to prove that you can't get 64.
Jun 5, 2015 at 3:56 vote accept MisterEman22
Jun 5, 2015 at 3:01 comment added JLee Nice answer. How did you arrive at it?
Jun 4, 2015 at 19:43 comment added leoll2 @JulianRosen Thanks! It's exactly what I was looking for! I've included a link to that proof in my answer, since it belongs to Puzzling and copying it would be pointless.
Jun 4, 2015 at 19:41 history edited leoll2 CC BY-SA 3.0
deleted 143 characters in body
Jun 4, 2015 at 19:36 comment added Julian Rosen This puzzle essentially asks for a proof that that 64 is impossible, and there is an accepted answer.
Jun 4, 2015 at 19:20 comment added Engineer Toast Given that the lower limit is $64$, I'd say that this is probably optimal.
Jun 4, 2015 at 19:07 history edited leoll2 CC BY-SA 3.0
deleted 37 characters in body
Jun 4, 2015 at 19:01 history edited leoll2 CC BY-SA 3.0
deleted 37 characters in body
Jun 4, 2015 at 18:51 history answered leoll2 CC BY-SA 3.0