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Glob Tiling (Posted on 2025-03-01) Difficulty: 3 of 5
A glob is a polygon like a Tetris piece, but made out of 7 squares instead of four, attached edge-to-edge to form a single polygon. It is known that there are exactly 108 different globs. Is it possible to tile a 28 × 27 rectangle using each glob exactly once?

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  Posted by Hedda Dunn on 2025-03-06 13:10:22
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