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