How to become a Top Sudoku Player - Techniques, Puzzles, Training Methods and Timing Charts for Hard and Extreme Sudokus

How to become a Top Sudoku Player - Techniques, Puzzles, Training Methods and Timing Charts for Hard and Extreme Sudokus

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Learn the secrets of a top Sudoku player. 500 pages containing: 50 techniques, 150 puzzles, training methods and timing charts for hard and extreme Sudokus