I loved that part. As soon as I read that you can't tile a plane with septagons,... | Hacker News

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pavel_lishin on July 12, 2017 | parent | context | favorite | on: Pentagon Tiling Proof Solves Century-Old Math Prob...

I loved that part. As soon as I read that you can't tile a plane with septagons, I wondered why - and scrolled down to see the answer.

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