12
21
12
12
15
12
19
21
21
21
21
21
21
16
16
9
19
21
21
11
14
13
15
16
18
10
15
21
21
17
21
21
20
9
21
12
21
21
18
21
21
21
17
15
21
12
21
21
16
17
21
21
17
21
21
21
17
21
21
21
21
18
17
16
21
12
12
21
21
20
21
21
21
11
21
15
12
15
12
12
21
21
21
20
20
18
18
15
19
15
17
12
21
21
21
16
21
21
21
20