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