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