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