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