16
12
12
20
12
12
16
21
21
17
12
12
16
21
21
12
12
12
21
12
21
12
12
16
12
21
16
21
20
21
17
21
17
12
21
12
12
12
17
21
17
17
16
20
21
17
17
16
20
19
17
12
20
21
12
12
12
12
12
21
12
21
21
12
17
12
21
21
21
21
17
21
21
20
20
17
21
21
17
20
17
12
17
21
20
21
20
17
17
20
16
17
16
21
12
21
21
11
11
12
20
12
12
17
17
21
12
12
21
12
12
12
16
12
16
16
20
11
16
17
20
21
12
12
11
17
12
21
21
20
17
20
21
17
17
17
12
21
12
12
12
12
12
16
12
12
15
19
12
21
12
14
21
21
21
21
21
19
12
12
21
16
16
12
17
12
21
12
12
21
16
12
17
17
17
21
12
21
12
21
17
17
21
21
21
21
12
21
21
17
21
21
21
21
12
12
12
12
12