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Samurai sudoku = 5 overlapping sudokus in one. The usual sudoku rules apply to each 9 x 9 grid. Place digits from 1 to 9 in each empty cell. Every column, every row and every 3 x 3 box should contain one of each digit.
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Book Description udv, 2013. Condition: New. book. Seller Inventory # M3954973588