2
1
1
2
2
6
2
8
1
9
1
11
2
3
6
2
1
1
7
1
1
1
3
6
2
2
4
2
2
1
1
1
2
2
2
1
5
3
1
4
1
2
1
6
6
9
5
5
5
7
7
3
3
2
2
3
2
3
2
15
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