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Demonstrations 141  160 of 368
How Triple Powers of Integers Begin and End
Disk to Oval Seat Tops
Dissecting a Globular Greek Cross to a Square
Rasa Puzzle
Pentahex Puzzles
Hinged Dissection of a Pentagram to a Decagon
Haberdasher's Problem
Polyform Explorer
Beautiful Designs Made from Two Knights' Tours
Beautiful Designs Made from the Knight's Tour
No Repeated Distances
Grid Packing at an Angle
Ancient Aleppo Tiling
Elim Puzzle
Find the Opposite Face
Mazes on Polyhedra Seen from Two Viewpoints
Minimally Squared Rectangles
Minimum Number of Managers
Coloring the Plane with a Rolling Cube
Coloring the Plane with a Rolling Tetrahedron
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