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6
5
3
1
8
6
3
1
4
2
3
1
4
5
2
9
2
7
7
6
9
6
8
8
3
5
2024-06-25(Advanced) Puzzles
Decipher complex placements
Consider number combinations to proceed optimally.
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.