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