21
8
21
21
14
17
21
21
21
21
13
15
19
20
13
18
8
11
21
21
21
21
20
20
21
21
21
21
21
21
21
21
21
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
20
21
21
20
21
20
20
21
21
21
21
20
21
21
21
21
21
21
18
16
15
10
12
8
14
15
14
17
15
10
10
12
14
21
9
15
18
9
14