00:00
1
8
2
8
9
6
4
2
9
5
1
5
3
6
1
4
8
2
7
6
4
7
5
2
1
8
6
4
8
1
2
2025-11-10(Intermediate) Puzzles
Engage your brain with standard puzzles
Compare rows, columns, and blocks to logically narrow choices.
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.