0
0
0
2
2
2
2
2
0
2
0
0
0
2
6
2
0
8
8
0
0
2
0
6
6
4
6
2
2
2
6
4
2
0
0
0
8
4
2
2
2
6
2
2
2
2
0
2
4
0
2
10
2
12
10
0
2
2
0
2
0
6
0
2
2
0
12
7
8
4
6
2
16
20
6
0
2
4
2
6
8
0
6
2
4
6
0
0
17
0
4
4
2
2
0
2
0
2
8
18
12
4
10
0
4
0
4
0
2
4
0
2
4
2
0
4
2
4
2
2
2
4
0
4
0
2
2
0
4
0
0
2
2
0
2
0
0
2
0
0
2
0
2
0
0
2
0
2
0
2
2
0
0
2
0
0
0
0
4
0
0
2
0
4
2
2
0
0
0
0
0
0
2
0
2
2
0
2
0
0
2
10
2
0
2
0
2
0
0
2
0
2
0
2
2
2
0
0
2
0
0
0
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0
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2
0
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2
0
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0
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2
0
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0
0
0
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2
0
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2
0
0
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2
0
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2
0
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2
2
0
0
0
0
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2
2
2
2
2
0
2
2
2
2
0
0
0
2
0
0
0
0
2
0
2
0
0
4
0
0
2
2
0
2
0
2
2
0
2
0
0
0
2
0
2
0
0
0
2
