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