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