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