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