16
8
18
14
18
12
17
21
19
9
12
12
21
9
9
13
12
21
9
13
17
17
12
21
21
21
8
21
20
21
21
21
21
16
21
21
21
17
21
21
17
21
21
15
21
15
21
15
21
15
21
15
21
16
16
21
16
21
21
21
16
21
21
20
16
21
21
17
21
21
21
20
21
18
20
16
18
21
21
21
21
21
21
21
21
21
21
21
21
21
15
21
21
21
21
21
21
21
12