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