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fr Start with the easiest cells that have only one possible number.. The scanning technique is one of the most basic methods for solving Sudoku..

Challenge yourself with harder puzzles as you improve.. Regular Sudoku practice strengthens memory and recall capabilities..

fr Box-line reduction narrows down possibilities within intersecting regions.. Sudoku variants add exciting new rules to the classic format..

fr - Sudoku requires no math skills, only logic and pattern recognition..

Sudoku championships attract competitive puzzlers from around the world.. fr Take breaks if you feel stuck on a difficult puzzle..

The meditative quality of Sudoku helps many people relax and unwind.. fr Sudoku can be enjoyed anywhere without special equipment..

fr Sudoku improves working memory and cognitive flexibility..