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