Double Trouble Sudoku

Double Trouble Sudoku

Double Trouble Sudoku

Double Trouble Sudoku


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This brand-new sudoku variant will have logic lovers seeing double! Instead of appearing only once in every row and column, each number appears TWICE. And instead of the usual three-by-three areas, these puzzles have irregular shapes. These twists add spice to the solving, variety to the sudoku, and make every puzzle a unique challenge for your eyes and mind.

Product Details

ISBN-13: 9781454909927
Publisher: Puzzlewright
Publication date: 06/03/2014
Pages: 240
Product dimensions: 5.20(w) x 5.40(h) x 0.60(d)

About the Author

Mr. Riley is a software developer at Fairfield Language Technologies, and the author of numerous computer programs that analyze variants of sudoku puzzles. Dr. Taalman is a professor of mathematics as James Madison University. Her research interests include singular algebraic geometry, knot theory, and open questions about the mathematics of sudoku and other puzzles. Their 6-year-old son Calvin is not able to solve any of the puzzles in this book  . . .  yet.
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