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8
4
7
3
8
5
6
7
9
3
3
6
8
4
2
6
3
1
2
8
4
9
3
5
4
6
4
1
7
5
2
2024-10-08(Intermediate) Puzzles
Consider multiple candidates while solving
Arrange numbers effectively to progress.
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.