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