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