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Sudoku requires filling 9x9 grids with 1-9, no repeats in rows, columns, or 3x3 boxes—what’s the trickiest 3x3 box you solved (filled with few clues, or overlapping tough rows/columns), and how did you narrow down numbers? Did you ever use pencil marks to track possible values, and what’s the most satisfying box-completion moment you had?
Posted : September 21, 2025 6:34 pm