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