0
2
0
0
2
2
2
0
0
0
0
0
0
0
2
2
0
0
2
2
2
2
0
4
15
0
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4
13
2
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0
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4
0
0
2
4
2
2
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2
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2
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2
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2
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0
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2
2
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2
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4
2
4
4
2
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2
0
2
4
4
0
2
0
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2
0
0
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0
0
0
20
0
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4
2
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4
2
2
2
2
4
2
0
2
2
2
2
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2
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13
0
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2
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15
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0
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2
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21
2
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11
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21
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2
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2
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2
0
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4
4
0
2
2
0
0
2
4
2
4
2
0
0
0
2
