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