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20.2
19.1
19.2
18.2
18.1
17.1
17.2
16.1
16.2
15
14.1
14.2
13.1
13.2
12.1
12.2
11.1
11.2
10.2
10.1
9.1
9.2
8
7.2
7.1
6.1
6.2
5.1
5.2
4.2
4.1
3.2
3.1
2.2
2.1
1.1
1.2