2
4
2
8
2
2
0
0
2
5
4
2
2
2
0
0
2
6
2
4
0
15
0
0
0
2
0
12
0
4
2
0
2
2
4
4
2
4
4
4
0
2
2
0
2
0
0
0
2
8
0
4
2
2
2
2
2
2
2
4
6
0
0
0
0
4
4
2
4
4
4
2
2
4
0
0
2
2
2
2
2
0
4
4
0
0
2
2
0
4
0
2
0
2
2
4
2
4
2
2
4
4
2
2
11
4
6
2
4
0
5
2
2
4
2
2
12
0
4
6
0
0
2
2
2
4
2
0
0
0
0
2
2
2
0
2
2
2
10
0
0
0
0
0
2
4
5
2
4
2
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4
2
4
6
2
2
0
6
4
2
2
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2
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4
4
2
4
4
9
4
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2
0
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4
0
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4
4
4
2
2
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4
4
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4
2
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2
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6
2
2
6
6
10
2
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2
8
4
2
4
4
2
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0
6
4
2
2
2
4
2
0
0
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0
2
4
2
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0
2
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2
2
0
12
6
4
2
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0
0
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0
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0
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0
2
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2
0
4
2
2
2
0
2
6
4
2
4
2
2
6
0
4
2
2
2
2
