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3
4
2
9
2
6
5
1
3
7
7
2
6
1
5
6
4
3
7
2
8
6
4
2
8
5
1
6
5
4
7
2
6
5
1
4
3
1
4
2
6
2024-09-20(Beginner) Puzzles
Experience the joy of placing numbers
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.