00:00
3
5
1
9
6
6
9
5
3
4
9
5
3
1
2
7
4
6
3
1
1
2
7
8
9
6
3
7
9
5
2
8
4
7
4
6
3
8
4
6
9
2025-08-31(Beginner) Puzzles
Fill numbers quickly and confidently
Use elimination to reduce candidate numbers.
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.