00:00
8
6
5
7
3
5
1
3
9
1
2
6
5
1
7
9
5
6
2
6
4
4
5
8
3
6
7
6
4
2
3
2024-11-09(Intermediate) Puzzles
Apply logical thinking for number placement
Use notes to reduce hesitation.
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.