Doofus writes "The New York Times is running an article, Celebrating puzzles, that is about a puzzle exhibit opening at the Lilly Library at Indiana University. The primary collector, a Mr. Slocum, has been collecting interesting and challenging 3D puzzles for many years, and has helped to curate the exhibition. The article describes one variation of the towers of Hanoi puzzle that involves 65 rings and has a mind-blowing 18,446,744,073,709,551,616 moves in a perfect solution. A twist on the standard museum exhibition — the puzzles on exhibit are stored each night in drawers — that must be puzzled open by the first visitors the following morning."
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