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