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