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2
2
2
2
2
2
2
2
3
3
3
3
3
2
5
8
10
10
11
11
13
13
14
14
15
14
14
12
8
6
4
3
3
3
3
4
4
4
5
6
1
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0
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3
3
3
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2
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0
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1
1
1
1
-2
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1
-2
-2
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2
1
1