00:00
4
5
1
6
2
9
3
1
8
3
2
6
1
5
5
1
2
9
3
6
8
3
7
3
6
2
8
9
4
7
2
2024-06-27(Intermediate) Puzzles
Puzzles suitable for logical challenges
Review candidates if stuck and reorganize.
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.