Su Doku
Hard 10 - Answer
3
8
2
4
1
7
5
6
9
4
1
7
6
5
9
3
8
2
6
5
9
3
2
8
4
1
7
9
7
6
1
8
4
2
5
3
8
4
5
7
3
2
1
9
6
2
3
1
9
6
5
8
7
4
1
2
4
8
9
6
7
3
5
7
6
3
5
4
1
9
2
8
5
9
8
2
7
3
6
4
1
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