From the original publisher of daily sudokus in the U.S., USA TODAY presents 200 all-new sudoku puzzles in 5 difficulty levels. USA TODAY Sudoku Super Challenge s a collection featuring 200 sudoku puzzles in five difficulty levels from USA TODAY--the nation's no. 1 newspaper. *Features include an introductory how-to section followed by 200 9 x 9 sudoku puzzles. A comprehensive answer key completes the collection...
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