From the original publisher of daily Sudokus in the United States, USA TODAY presents 200 all-new Sudoku puzzle challenges.USA TODAY Sudoku 3 is a collection featuring 200 Sudoku puzzles in five difficulty levels from USA TODAY--the nation's no. 1 newspaper. Features include: Introductory how-to section200 9 x 9 Sudoku puzzlesComprehensive answer key
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