00:00
3
7
9
6
2
1
1
3
9
2
8
4
2
7
9
9
5
4
8
6
3
3
6
7
9
5
8
2
1
9
7
4
4
7
8
2
3
2
9
7
4
2025-10-01(Beginner) Puzzles
Fill numbers quickly and confidently
Look for rows, columns, or blocks that are nearly complete.
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.