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 Date: 2006-08-02 02:51:59Combination puzzles Mechanical puzzles Puzzles Mathematics Fifteen puzzle Tile Tessellation Mosaic Visual arts Games |
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| First Page | Document Content | |
|---|---|---|
Date: 2006-08-02 02:51:59Combination puzzles Mechanical puzzles Puzzles Mathematics Fifteen puzzle Tile Tessellation Mosaic Visual arts Games |
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doi:[removed]j.ipl[removed]