21
21
20
21
21
21
21
21
11
21
15
21
15
21
17
20
15
14
20
17
15
15
15
11
21
14
15
20
21
18
17
21
21
17
21
12
21
21
21
21
17
13
21
21
15
19
21
16
21
21
21
21
21
21
12
15
21
15
12
17
21
21
21
20
20
21
21
17
21
15
21
21
21
21
21
21
15
12
17
15
21
12
20
21
17
15
21
21
21
21
21
16
16
21
20
21
21
21
16
17