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