7Sudoku's monthly puzzle pack for December 2025.

Play the sudokus from the collection
Monthly Puzzle Pack - December 2025

1
2
3
1
6
9
7
1
8
2
3
7
6
4
3
8
9
3
8
9
6
2
8
7
7
3
5
9
1
2
8
very easy
2
6
1
7
2
7
3
9
3
1
8
4
3
6
1
4
2
2
1
8
4
2
1
3
9
6
3
7
2
4
9
very easy
3
8
1
7
3
7
4
1
6
2
1
4
6
8
5
4
7
2
2
6
1
3
4
6
5
4
8
3
8
7
2
very easy
4
1
9
7
8
3
4
8
6
5
5
6
9
4
1
2
4
6
7
7
5
2
9
2
8
1
5
6
5
4
2
8
9
very easy
5
4
6
9
7
9
5
7
4
3
8
4
2
6
5
4
3
7
9
6
7
5
2
2
9
2
1
6
9
4
8
2
very easy
6
6
7
2
3
8
5
4
9
2
5
4
6
6
9
8
2
9
1
1
6
9
4
7
5
9
8
4
7
2
1
very easy
7
8
7
3
1
8
2
2
3
6
5
5
6
5
6
3
4
4
8
3
6
2
7
7
3
1
1
6
3
easy
8
6
2
5
3
5
1
2
6
3
8
7
5
5
7
6
4
9
3
6
9
3
5
4
3
9
8
4
7
easy
9
2
5
8
4
7
6
2
1
5
6
8
4
3
9
8
4
2
5
3
3
6
4
7
5
7
8
easy
10
1
2
6
8
2
4
5
3
7
5
2
4
7
3
9
1
5
1
9
4
6
7
1
6
9
8
easy
11
2
6
5
4
9
7
2
1
1
6
2
2
8
6
8
2
3
8
7
7
4
5
1
5
4
5
6
9
1
2
easy
12
9
5
2
3
9
4
2
9
4
1
5
7
6
9
5
5
2
6
1
3
8
7
7
1
8
7
8
5
easy
13
1
2
7
5
9
8
4
7
5
4
7
8
5
2
4
3
6
4
1
7
8
4
8
3
7
9
8
2
moderate
14
9
2
7
2
5
7
3
9
8
9
9
6
4
8
5
7
1
6
7
3
1
5
2
9
4
6
9
3
moderate
15
3
9
1
4
2
6
7
9
1
8
1
5
8
9
4
6
2
9
2
7
5
2
1
3
1
5
3
8
moderate
16
7
4
8
6
2
5
3
4
1
9
2
7
9
4
8
4
1
2
6
1
5
9
4
6
7
9
moderate
17
7
2
5
1
8
3
4
7
2
2
5
2
1
4
5
6
7
4
8
1
7
9
2
6
5
4
8
3
moderate
18
9
3
6
7
5
8
7
3
5
4
8
3
9
4
1
5
2
4
3
2
1
7
9
3
7
4
1
moderate
19
6
5
8
3
1
9
5
7
8
9
4
3
9
6
8
5
7
1
9
2
4
4
2
6
5
8
5
4
2
difficult
20
8
4
4
5
9
8
6
2
9
5
9
2
4
3
9
8
5
7
3
9
6
7
2
1
1
8
difficult
21
6
9
3
8
3
7
9
5
1
4
7
3
6
9
4
1
3
6
1
4
7
8
7
6
2
4
2
8
difficult
22
1
6
2
7
5
3
2
1
7
5
6
4
9
6
9
1
4
5
5
6
4
8
4
8
3
7
difficult
23
5
1
1
2
7
9
6
3
5
7
4
2
8
9
3
4
5
8
8
6
4
2
3
7
7
2
difficult
24
4
3
3
9
1
6
8
6
1
3
7
9
7
5
6
8
3
7
5
1
2
7
2
5
3
3
4
difficult
25
6
8
9
7
2
3
4
5
9
4
5
9
5
7
1
9
4
7
2
1
7
3
6
2
8
5
very difficult
26
2
3
5
6
4
1
9
1
2
6
1
9
2
2
9
7
4
6
7
9
1
5
4
8
9
8
5
very difficult
27
6
3
9
7
8
5
5
2
3
8
9
4
4
1
7
5
6
1
7
5
4
2
3
8
4
1
very difficult
28
5
3
4
7
5
2
6
4
8
6
8
9
4
2
5
8
7
2
5
7
6
5
8
5
1
8
7
1
very difficult
29
7
1
8
2
4
9
9
6
5
2
8
9
3
8
2
3
6
5
4
9
8
7
very difficult
30
7
9
3
2
7
5
1
8
4
7
2
4
7
9
1
8
2
9
2
6
4
5
3
8
9
1
3
5
3
5
9
very difficult

"Monthly Puzzle Pack, December 2025" has 30 sudokus.

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