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