0
2
0
0
4
4
2
2
2
2
4
0
2
0
0
0
0
0
4
2
0
2
2
2
4
4
0
2
2
0
0
6
2
0
0
2
6
2
2
0
0
4
4
0
2
0
0
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2
0
0
0
0
4
2
2
0
2
2
2
2
6
4
5
2
0
27
4
2
0
2
2
0
2
2
4
0
2
2
2
2
2
4
0
0
4
0
0
0
2
0
6
4
2
4
3
0
0
2
2
2
2
4
2
2
0
2
2
2
0
2
0
0
2
2
4
2
4
0
4
4
0
2
4
2
2
0
4
2
6
0
2
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2
4
0
0
2
2
4
2
0
2
0
2
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2
2
0
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2
2
0
4
0
8
2
9
0
2
2
10
2
4
2
8
0
2
2
0
2
2
4
4
6
2
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4
0
0
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2
4
2
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6
0
2
2
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2
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0
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2
6
2
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2
2
4
0
0
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2
2
2
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2
0
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2
0
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4
2
0
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0
1
2
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2
0
0
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0
6
0
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2
0
0
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2
0
2
6
2
2
2
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2
0
0
2
4
2
2
0
0
4
2
2
2
4
0
0
2
2
0
0
2
2
