15
21
21
21
18
21
21
20
21
17
21
12
16
21
17
21
21
21
21
21
15
19
21
20
21
21
21
15
21
21
15
16
16
15
16
21
21
21
20
21
16
12
11
21
21
16
21
21
15
16
21
21
21
21
21
18
16
19
21
15
21
21
17
15
21
21
21
21
21
20
16
16
18
16
21
21
21
16
21
21
16
21
21
17
21
21
21
21
21
21
19
18
21
18
21
21
20
21
21
21