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