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