simple study

14:47

3:47

6:56

2:21

1:03

3:05

3:06

3:00

2:00

17:23

17:25

9:38

9:38

3:00:21

9:13

8:15

1:37:35

1:09:34

2:35

15:50

4:14

8:20

9:06

24:29

1:41

5:31

4:57

2:52:26

8:12

2:16:27

3:53:23

4:56:24

1:50:44

21:14

1:08:23

2:54:43

2:01:08

8:27:34

21:14

2:00:29