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