Double Trouble Sudoku by Brainfreeze PuzzlesDouble Trouble Sudoku by Brainfreeze Puzzles

Double Trouble Sudoku

byBrainfreeze Puzzles, Philip Riley, Laura Taalman

Paperback | June 3, 2014

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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.
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 mathemat...
Title:Double Trouble SudokuFormat:PaperbackDimensions:240 pages, 5.5 × 5.25 × 0.5 inPublished:June 3, 2014Publisher:PuzzlewrightLanguage:English

The following ISBNs are associated with this title:

ISBN - 10:1454909927

ISBN - 13:9781454909927

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