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