Penguin lineups: Revision history

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10 November 2014

  • curprev 15:3915:39, 10 November 2014‎ Oscarlevin talk contribs‎ 600 bytes +600‎ Created page with "Here is a counting problem based on Gilbreath permutations. ==Puzzle== You have 10 penguins, each a different height. You want to take a photo of the penguins in a single s..."
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