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