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