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This puzzle book has 200 Hyper (Windoku) puzzles with solutions. Enjoy hours of fun working on these medium Hyper Sudoku puzzles.
Hyper Sudoku is also called Windoku. The layout consists of 13 regions - 9 classic Sudoku areas with 4 additional interior shaded areas which the numbers 1 to 9 must also appear.
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Order a copy of this great puzzle book, sharpen your pencils, put on your thinking caps and enjoy hours of fun
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Take 20% off your first order
Enter the code below at checkout to get 20% off your first order