16
16
21
12
21
21
21
21
21
21
21
16
16
21
21
21
21
21
16
21
21
21
21
21
15
21
21
15
21
16
16
21
21
21
21
21
15
16
18
21
21
21
21
16
21
15
21
15
21
20
18
21
21
21
21
15
21
21
21
21
19
21
15
21
21
18
21
21
9
8
8
15
21
14
14
10
16
10
20
10
12
16
15
12
10
20
10
21
12
9
12
21
16
14
9
10
8
15
8