64=65? I was a little wigged at first til I discovered how it cheats.


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  1. At the risk of getting completely geeky, it occurs to me that this is going to work with any three successive numbers in the Fibonacci sequence (e.g. rearranging an 8*21 rectangle into a 13*13 square) with the gap getting proportionately tinier and the “proof” more convincing as you climb the sequence. The Golden Section pops up again…

  2. Completely geeky, but brilliant nonetheless!

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