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3
5
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7
3
2
9
6
9
8
1
7
3
6
3
9
8
4
7
2
9
1
7
3
6
7
1
2
3
6
8
1
5
4
8
5
6
2
1
5
4
2024-11-27(Beginner) Puzzles
Puzzles to complete without hesitation
Look at the board as a whole to decide where to start.
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.