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