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