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7
6
3
1
4
5
4
7
2
1
5
6
9
3
6
8
3
9
1
4
3
1
7
8
4
2
8
3
1
5
7
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7
2
3
9
1
9
4
6
3
2025-05-14(Beginner) Puzzles
Perfect introduction to Number Place puzzles
Check rows, columns, and 3x3 blocks to avoid duplicates.
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.