21
21
21
21
21
21
21
21
21
21
21
21
16
21
15
16
21
21
15
21
17
18
14
12
16
9
21
21
12
11
11
10
11
17
13
21
16
21
15
15
16
16
15
14
21
10
14
15
16
8
18
9
21
21
21
21
21
21
21
20
21
16
21
21
21
21
21
15
21
21
21
21
21
21
18
18
21
17
18
16
16
12
10
21
21
16
16
21
21
18
16
12
21
21
21
21
10
19
8
9