16
21
17
21
20
19
16
21
21
15
21
17
8
21
16
8
15
18
21
21
21
20
21
21
21
13
21
21
21
15
21
21
21
21
21
21
20
21
18
21
21
17
17
18
11
15
15
21
16
21
16
21
21
21
17
21
18
18
16
18
18
21
21
21
21
17
17
17
17
21
18
21
21
21
17
21
21
17
17
17
21
21
18
21
21
21
21
21
21
21
18
21
17
21
21
18
21
18
18
21