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