00:00
7
6
8
5
4
1
7
2
4
9
8
2
3
7
1
5
9
7
3
6
4
9
7
3
1
5
3
6
5
9
7
2
4
7
2
1
9
2
6
1
4
2024-11-25(Beginner) Puzzles
Fill numbers quickly and confidently
Fill the simplest squares first for efficiency.
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.