For the first time, a travel sized Sudoku book has been released by Cute Huur.
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Go beyond simple sudoku with this collection of diabolical sudoku puzzles in a travel sized format of 8×5 inches..
1 large print puzzle per page for easy visibility.
You will need strategies like X-Cycles, BUG, XY-Chain, X-Wing, Simple Colouring, Y-Wing, Swordfish & XYZ Wing amongst others to solve the most difficult puzzles possible.