13
10
16
15
8
20
17
12
13
15
8
21
12
14
21
12
17
17
21
20
21
20
17
21
16
21
21
18
21
21
21
21
21
17
16
21
16
15
21
21
21
21
21
16
15
21
21
15
21
13
21
21
21
17
16
16
12
21
13
21
12
17
20
21
21
21
21
21
21
16
16
21
21
21
20
21
20
21
21
21
21
16
16
20
16
21
21
21
21
15
20
21
16
15
15
20
21
21
21