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