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7
5
8
8
3
9
4
1
3
7
8
6
2
7
6
1
9
8
4
6
7
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7
6
1
8
5
2
6
3
1
4
2
5
7
7
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5
8
3
4
2024-09-21(Beginner) Puzzles
Complete puzzles with ease
Check the rules each time you place a number.
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.