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