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