21
20
21
21
21
21
21
21
19
21
20
21
21
21
21
21
21
21
20
21
20
21
20
21
21
19
19
21
16
21
16
19
21
21
13
14
21
16
21
21
21
20
20
21
21
21
21
21
21
19
21
21
21
21
20
20
21
21
20
21
21
21
16
21
20
21
21
21
21
20
21
21
21
10
10
16
20
16
15
21
15
14
20
14
17
16
21
16
13
13
15
12
8
9
8
13
13
16
14
13