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