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