19
20
21
21
21
21
21
15
21
21
18
21
10
21
21
21
21
21
19
21
21
17
21
19
12
16
21
21
9
21
21
11
15
21
21
21
21
21
8
10
20
21
10
21
9
21
21
16
20
9
18
21
21
11
21
21
21
13
11
21
21
21
21
21
21
21
21
21
21
21
21
21
21
21
20
21
20
18
21
20
21
21
21
21
21
21
21
