21
21
15
11
21
21
21
21
8
18
14
18
17
20
9
20
12
9
14
21
21
21
21
16
16
21
16
17
21
12
18
15
17
21
21
14
12
16
21
17
16
21
21
21
21
21
21
20
16
21
12
15
20
20
21
21
21
21
16
21
17
21
21
16
17
21
21
21
21
21
21
16
15
21
21
18
16
16
16
21
16
21
14
18
20
21
15
21
15
21
21
21
13
21
21
21
21
21
21
16