Hard Sudoku Puzzle Book for Adults: 200 Large Print Puzzles [Large Print]
20,06 €
If most Sudoku puzzles are too easy for you - Get this book of 200 Hard Puzzles for a real challenge. IMPROVE YOUR SKILLS You can practice solving puzzles that require: X-Wing (20), XY-Wing (70), XYZ-Wing (20), XY-Chain (70), and Coloring (20) logic techniques.
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