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