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I explain how to solve hard sudoku step by step.

Regularly solving puzzles like sudoku can be associated with better performance in tests assessing memory, attention, and reasoning. Research suggests that individuals who engage in such activities achieve results comparable to those of younger individuals by several years.

Mentally demanding activities, such as solving sudoku, can contribute to memory improvement and the maintenance of cognitive abilities.

Sudoku requires analysis and logical thinking, which can support the development of these skills.