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About zh

zh The pointing pairs technique helps identify numbers restricted to specific cells.. Swordfish is an extension of X-wing involving three rows and columns..

Many people enjoy solving Sudoku puzzles during their morning commute.. Sudoku was popularized in Japan in the 1980s and has since become a global phenomenon..

zh Sudoku is a logic-based number placement puzzle that has captivated millions worldwide.. Learning Sudoku techniques opens up new strategies for solving harder puzzles..

zh - Compete in timed challenges to test your skills..

Sudoku requires no math skills, only logic and pattern recognition.. zh Advanced Sudoku solvers use techniques like X-wing and swordfish patterns..

Sudoku provides a screen-free option when played with pencil and paper.. zh Sudoku tournaments test both speed and accuracy of participants..

zh Sudoku variants like Killer Sudoku add mathematical elements to the puzzle..