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