open_study

00:21

17:48:55

00:54

24:47

5:46:16

11:54

8:43

1:45

1:21:10

00:28

2:03

9:06

2:49:20

2:00:20

1:11:35

3:22:20

4:50

50:30

12:17:00

46:20

1:36:00

2:02:00

1:43:51

1:14:46

8:21

7:24:37

6:55

4:49:20

1:41:30

2:23:16

47:36

3:07

2:12:46

2:00:55

1:17:46

1:30:03

6:19:05

6:09

1:26:44

41:24

00:31

8:14

14:42

2:31:21

36:54

1:00:51

52:41

30:11

26:40

2:59:05

1:10:16

1:47:36

1:30:00

4:27:11

1:59:46

2:29:25

10:16

2:17:05

1:13:36