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6
2
4
1
5
4
1
8
5
3
9
6
7
3
6
9
7
1
5
3
4
7
2
8
3
7
2
5
5
8
9
6
1
3
7
3
9
2
1
5
8
2024-01-05(Beginner) Puzzles
Step-by-step approach to solving
Organize candidates on paper or notes for clarity.
Tips for Solving Sudoku
- Start with squares with fewer numbers: Begin with rows, columns, or blocks that already have more numbers filled; fewer candidates make it easier to solve.
- Pencil marks (notes): For beginners, write possible numbers in small font in empty squares for reference.
- Review: If stuck, check for duplicate numbers or rule violations.
- Basic rule: Do not repeat the same number in the same row, column, or 3x3 block.