21
21
21
21
21
21
12
21
16
16
16
21
9
18
21
11
21
21
21
9
21
16
21
16
21
16
21
15
21
21
21
21
20
21
11
21
21
21
8
21
20
16
16
21
21
21
21
16
21
21
21
16
16
16
16
16
21
15
21
20
21
13
16
21
14
21
16
21
16
21
19
21
21
20
16
8
17
21
20
16
21
20
15
21
21
16
21
21
21
16
10
19
14
21
21
20
21
21
21
15
21
20
8
21
21
20
21
21
21
16
21
21
16
15
16
13
21
21
21
21
21
16
14
21
21
21
21
15
21
21
14
21
16
20
16
21
16
16
21
21
21
21
21
21
21
21
15
16
15
20
21
21
21
15
21
21
16
21
20
21
16
16
21
21
21
21
21
16
21
21
21
20
16
21
16
21
20
21
21
20
15
16
19
20
16
16
21
15
21
21
19
21
21
21
19
16
21
21
15
