Su Doku
Intermediate 3 - Answer
1
9
7
3
5
2
6
4
8
4
2
8
1
6
7
3
5
9
5
3
6
9
4
8
1
7
2
7
1
4
2
3
9
5
8
6
8
5
2
6
1
4
9
3
7
9
6
3
8
7
5
2
1
4
6
8
5
4
9
1
7
2
3
2
7
9
5
8
3
4
6
1
3
4
1
7
2
6
8
9
5
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