8
21
21
21
8
18
14
18
17
9
16
19
12
9
16
21
16
15
19
21
21
21
21
21
16
21
16
17
21
18
21
17
17
12
16
17
16
21
21
21
21
21
20
21
19
21
21
12
21
21
21
21
16
21
21
17
21
21
21
21
21
21
21
21
10
13
16
15
16
21
12
21
14
15
21
20
15
17
20
13
21
19
21
21
21
21
21
21
21
21
21
21
21
21
21
21
21
21
17
21