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