12
21
20
21
21
21
20
21
21
20
19
18
21
21
21
21
21
21
20
21
21
20
21
21
21
21
21
21
20
12
12
10
12
20
11
9
8
12
12
12
12
12
12
12
12
12
18
12
21
12
12
12
12
21
12
12
12
10
11
10
17
12
10
18
13
12
12
12
12
12
21
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
21
12
12
12
12
12
18
12
20
8
8
8
8