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4
5
9
3
6
7
6
1
2
3
3
9
6
2
6
4
5
2
5
8
9
7
4
6
6
5
2
9
8
3
1
6
6
2
3
8
1
1
7
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9
2024-11-11(Beginner) Puzzles
Solve puzzles while thinking of number positions
Observe patterns that repeat in multiple blocks.
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.