21
20
21
17
21
21
20
21
21
18
21
15
17
17
21
17
21
20
21
21
21
9
21
16
21
21
21
21
16
21
21
20
21
21
21
21
21
21
16
15
21
15
16
21
18
16
16
21
21
12
21
21
18
21
15
15
16
21
15
20
13
21
15
18
21
17
21
16
21
21
17
21
21
16
20
21
21
21
15
21
21
19
21
20
21
21
12
15
21
20
21
21
21
21
21
21
21
21
21