0
2
2
2
0
2
2
2
0
2
0
0
0
0
0
0
2
2
0
0
0
2
0
0
2
0
0
2
2
0
0
0
2
2
2
2
0
2
0
2
1
2
2
0
2
2
2
2
0
0
0
10
0
0
2
0
2
11
0
0
2
0
2
2
0
2
2
0
2
0
2
2
0
2
0
0
0
2
0
0
2
0
2
2
2
2
0
0
2
0
2
0
2
0
4
0
1
1
0
0
0
0
0
0
0
2
1
2
2
0
2
0
0
2
2
0
2
0
0
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2
2
2
0
2
0
2
0
0
0
2
2
0
2
2
0
0
4
0
2
0
0
0
2
0
2
0
0
0
2
0
2
0
1
2
0
0
0
0
2
0
1
2
2
2
0
0
7
0
2
2
0
0
2
0
0
0
2
0
0
0
0
0
0
2
0
2
2
2
0
2
2
2
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0
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2
0
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0
0
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2
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0
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1
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2
2
2
2
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2
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1
0
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2
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2
2
2
0
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2
0
0
1
2
0
0
7
2
2
0
0
2
0
0
0
0
2
2
0
0
0
0
0
2
2
2
0
0
2
2
2
0
0
2
0
2
2
2
