2
4
2
3
4
2
6
2
2
4
2
4
2
2
2
5
2
2
2
3
2
2
3
2
2
2
3
2
2
2
2
3
2
2
8
3
7
3
2
2
2
3
3
2
5
3
2
3
8
5
2
3
4
5
2
4
5
5
4
3
2
2
3
5
3
+−
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