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