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9
3
6
5
6
8
5
3
2
9
5
2
1
9
3
7
4
5
1
9
6
1
2
4
3
7
5
8
8
6
2
4
8
6
5
7
3
3
8
6
1
2
2
9
4
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9
3
6
8
5
6
5
3
2
1
9
5
2
9
3
7
4
5
1
2
8
1
9
4
3
7
6
2
6
5
8
4
8
6
2
5
7
3
8
6
9
4
3
1
2
1
2
3
4
5
6
7
8
9
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