lec 1

38:41

49:44

34:14

41:10

44:09

46:46

53:30

51:33

1:50:19

1:20:36

18:04

1:36:44

7:12

2:20:55

1:14:26

17:46

1:43:13

1:05:26

37:36

1:20:25

1:15:15

36:01

2:04:56

1:10:40

56:41

51:40

2:44:16

40:13

1:28:19

1:00:02

21:13

5:40:11

2:44:36

2:16:50

52:23

1:03:35

53:34

51:58

11:24

1:54:21

20:51

1:02:26

37:54

59:40

36:33

33:43

35:28

4:50

55:48

7:23

38:55

1:32:35

1:19:25

42:31

46:37

38:50

1:22:30

20:57

14:30

2:33:10