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5
3
7
2
4
8
2
8
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6
3
5
2
8
9
2
8
1
6
3
7
8
1
1
8
9
6
3
5
7
9
5
2
4
1
7
1
8
9
3
4
2024-07-11(Beginner) Puzzles
Number Place suitable for first-time solvers
Remember that patience is key.
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.