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