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