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