21
21
21
17
20
20
20
21
21
21
21
20
17
16
16
21
17
20
21
21
21
16
21
21
21
16
21
20
21
21
21
21
21
21
19
21
21
16
21
21
21
21
17
20
14
21
20
21
21
21
17
16
21
21
21
17
21
16
21
21
20
17
17
21
21
10
21
21
20
21
16
21
21
20
21
16
20
16
21
20
16
21
20
17
16
21
21
21
16
21
20
21
21
21
20
20
16
21
20
21
21
21
21
21
21
21
21
13
21
21
21
17
17
20
16
11
16
21
21
21
20
21
17
21
21
20
17
21
17
17
17
15
21
17
16
21
21
16
21
21
21
20
15
21
17
21
21
21
21
21
16
16
21
13
21
17
21
12
21
19
19
20
21
15
17
19
21
20
21
21
17
17
21
21
16
21
17
21
21
17
16
20
17
17
16
20
14
21
21
21
21
21
21
21
21
21
21
15
21