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