18
20
8
8
14
16
20
21
20
15
21
21
10
21
21
19
16
21
13
20
20
21
21
15
14
21
20
21
16
21
17
9
21
21
20
20
21
21
20
21
21
20
18
17
21
20
21
21
15
21
21
21
17
21
21
21
20
18
12
16
21
21
21
21
16
12
15
20
21
21
21
21
21
21
21
15
20
21
20
21
20
21
21
21
15
21
17
17
21
21
20
21
17
14
21
20
21
15
20
21
21
21
21
15
16
20
16
