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