16
21
13
21
21
21
21
21
21
16
16
17
16
21
21
21
21
21
21
21
16
21
12
20
16
12
15
15
16
21
21
21
21
15
21
21
20
21
17
21
21
21
16
21
21
20
21
12
16
21
18
21
17
16
21
21
21
20
21
21
21
15
20
12
15
21
10
15
16
21
21
20
15
21
15
21
21
12
14
21
16
16
16
21
20
21
19
20
16
20
21
15
21
17
20
12
21
21
21
21