2
2
0
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4
2
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4
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8
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12
4
2
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0
2
2
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2
4
2
0
2
2
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10
4
6
0
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2
6
6
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12
6
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4
0
8
2
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4
2
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2
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4
0
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12
14
2
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0
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4
6
6
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4
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10
2
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8
4
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0
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0
2
2
4
0
2
0
2
