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