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