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