21
21
21
21
21
21
21
21
21
21
21
21
21
21
21
21
21
21
21
21
21
21
21
21
11
18
21
20
21
13
10
10
15
13
18
17
16
12
10
18
21
11
17
10
18
21
12
21
20
19
21
18
20
16
18
21
16
14
18
19
9
21
21
21
21
21
21
21
21
21
21
21
21
21
21
21
21
20
21
21
21
21
21
21
21
21
21
21
21
18
21
17
19
17
17
20
13
21
12
9