21
21
21
15
20
20
21
15
21
21
21
21
21
9
21
21
16
21
21
16
10
21
21
21
21
21
21
15
21
21
21
12
21
15
21
21
15
21
15
16
21
15
16
21
17
15
10
21
21
10
21
21
21
10
21
21
21
21
21
20
20
21
12
17
15
16
16
12
11
17
20
21
16
16
16
21
17
16
21
15
15
21
21
16
21
21
21
18
21
21
15
21
15
10
17
18
12
21
21
12