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