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