Basic Rules of Sudoku- The grid is 9×9, divided into nine 3×3 boxes.- Fill in numbers 1 to 9 so that: - Each row has all digits 1–9 (no repeats) - Each column has all digits 1–9 (no repeats) - Each 3×3 box has all digits 1–9 (no repeats)---✅ Step-by-Step Strategy to Solve Sudoku1. Scan for obvious placements- Look for rows, columns, or boxes that are almost complete.- Fill in missing numbers that have only one possible spot.2. Use the “Hidden Single” method- If a number can only go in one cell within a row, column, or box, place it there.3. Try “Naked Singles”- If a cell has only one possible candidate number, fill it in.4. Use pencil marks (optional)- Write small numbers in empty cells to track possible candidates.- Eliminate options as you fill in more numbers.5. Look for patterns- Use techniques like “Naked Pairs,” “Locked Candidates,” or “X-Wing” for harder puzzles.