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