21
15
16
10
14
21
19
21
17
21
21
21
21
16
20
15
15
21
19
16
21
21
21
21
21
16
21
21
15
16
17
21
20
21
14
16
21
21
17
15
15
19
15
21
21
21
21
21
21
16
21
15
21
20
21
21
21
12
21
15
21
21
21
21
16
21
17
21
21
21
15
20
21
21
21
21
21
14
15
14
21
21
20
21
15
16
21
16
15
15
16
16
16
21
21
19
17
16
21
15