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