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9
5
8
6
3
1
6
1
6
3
9
7
5
8
2
5
4
3
3
1
9
5
2
4
6
3
1
7
5
5
4
1
8
3
7
9
1
4
5
6
3
2024-10-20(Beginner) Puzzles
Challenging yet accessible puzzles
Begin with simpler squares, then tackle harder ones.
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.