4
1
7
7
2
3
2
1
2
1
1
1
2
1
1
2
1
2
1
1
8
1
2
1
4
3
1
1
1
1
3
2
1
1
1
2
1
2
1
1
12
7
2
1
1
5
2
4
1
7
7
2
3
2
1
2
1
1
1
2
1
1
2
1
2
1
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8
1
2
1
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3
1
1
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12
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2
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2