困难 Sudoku 2025 to print (free PDF)
Download every 困难 Sudoku from 2025 — 365 puzzles — as a free printable PDF.
预览
1
9
4
3
9
9
1
7
5
2
9
3
3
6
8
9
6
2
4
5
2
8
9
3
7
5
1
4
2
1
4
2
2
9
8
7
3
7
9
1
3
4
8
6
2
9
4
6
5
2
9
1
7
3
9
5
2
6
8
7
6
9
2
6
9
4
7
3
7
2
7
8
4
2
5
9
6
3
8
2
7
3
6
8
7
5
6
2
7
8
1
2
5
7
3
6
8
2
3
4
1
6
2
5
2
3
8
4
7
2
5
1
8
6
3
7
6
3
2
8
5
8
2
1
2
5
7
5
6
8
9
9
4
8
2
4
1
3
3
9
7
2
3
5
7
7
4
3
2
9
6
4
3
1
9
6
4
7
2
8
5
8
5
7
4
9
1
7
2
7
3
1
6
2
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