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