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