0
4
2
2
4
2
0
2
0
0
9
2
2
2
2
0
2
0
2
2
0
0
2
4
4
8
7
2
2
7
1
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2
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2
0
0
2
4
7
4
2
0
4
2
2
2
4
2
2
2
4
2
2
2
0
0
0
7
2
13
2
2
0
0
0
2
0
4
4
2
0
2
2
2
0
6
0
0
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2
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4
2
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6
2
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2
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4
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4
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8
0
7
2
6
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0
4
6
0
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4
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0
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0
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4
0
6
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0
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2
12
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0
13
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6
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6
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4
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2
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2
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10
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19
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8
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2
0
0
8
4
4
0
0
9
11
6
0
2
2
2
2
