19
8
9
19
11
17
13
8
13
21
16
12
18
13
21
20
16
21
15
9
12
13
10
12
13
8
16
16
11
11
8
21
21
21
15
21
18
21
21
21
21
16
20
14
17
16
21
16
16
20
16
21
21
21
16
21
21
21
15
21
21
21
21
21
21
21
16
21
16
21
21
21
21
21
21
21
21
21
21
21
21
16
21
21
21
16
21
16
21
21
21
21
21
21
21
21
21
20
16