2
4
6
0
6
2
4
0
4
0
0
4
2
4
2
0
2
0
2
2
2
2
2
2
2
4
2
4
4
2
2
2
3
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6
4
2
0
4
2
2
0
4
8
2
2
2
2
2
2
4
0
2
6
2
6
4
0
2
4
0
2
4
2
0
2
0
0
2
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2
4
2
5
6
4
0
0
2
2
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4
5
2
0
4
4
2
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0
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0
4
4
0
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6
4
2
2
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4
2
2
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6
12
2
4
4
2
0
2
6
2
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7
0
6
0
2
2
4
0
2
0
2
4
2
5
2
2
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2
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2
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4
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6
2
5
2
2
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2
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4
0
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2
7
0
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0
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2
0
0
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0
2
10
6
0
2
2
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2
6
0
2
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6
2
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2
0
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0
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5
0
2
2
0
0
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2
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0
4
0
4
2
0
0
11
2
2
2
4
0
0
2
4
2
2
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2
4
2
0
2
0
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0
6
0
0
4
2
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4
2
2
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0
0
4
2
6
2
2
2
0
2
0
3
6
0
2
0
0
4
0
4
0
0
0
2
6
2
