obs functions

1:10

31:39

4:47

21:28

5:25

14:41

7:15

4:17

13:01

7:08

5:22

4:49

12:50

4:31

15:31

38:56

2:12

12:50

2:53

8:30

35:58

3:27

3:32

7:21

5:33

5:49

12:59

4:17

40:07

2:07

4:46

8:19

1:55

2:16

2:04

9:16

17:14

4:41

6:52

4:24