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