0
2
2
4
0
9
11
0
0
2
0
2
2
2
2
0
0
0
0
0
0
2
2
2
2
0
4
0
2
0
2
0
0
3
2
0
0
0
7
2
0
0
0
0
9
0
2
2
0
0
0
2
2
0
0
2
0
2
2
0
0
0
2
2
0
0
2
2
2
0
2
2
0
0
2
0
2
0
2
4
0
2
2
2
2
2
2
4
2
4
2
0
0
7
0
2
2
0
2
2
0
4
0
0
2
0
0
0
2
0
0
0
2
2
2
0
0
2
2
0
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4
2
2
0
0
4
0
0
2
2
0
0
2
0
4
2
0
0
2
2
2
0
4
2
2
0
0
0
0
0
0
9
2
4
0
7
0
2
0
2
0
13
2
0
2
0
2
4
0
0
0
4
2
0
0
4
2
2
2
4
4
2
4
2
2
0
0
0
13
0
0
0
2
0
0
2
11
0
8
7
0
2
4
0
2
0
0
2
2
0
2
0
2
2
4
2
0
2
2
0
2
0
0
0
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2
0
0
2
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0
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2
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0
4
2
2
2
0
0
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2
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2
2
0
2
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2
2
2
2
2
2
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2
2
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2
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2
2
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0
4
0
0
2
0
0
