21
21
16
20
15
15
21
21
21
21
21
21
21
21
21
15
16
15
15
15
21
17
21
16
16
14
16
21
21
20
16
15
12
21
17
17
16
15
21
21
16
12
18
20
17
12
15
16
21
21
21
21
21
16
21
21
15
17
21
16
21
21
16
21
20
21
21
20
17
21
16
21
21
21
21
21
21
16
21
21
16
21
12
17
21
21
20
20
21
15
18
15
21
21
21
21
21
15
21
21