Teacher and Student

18 mins 18 secs

12 mins 20 secs

5 mins 1 sec

32 mins 55 secs

24 mins 1 sec

1 hour 15 mins 9 secs

35 mins 25 secs

30 mins 51 secs

30 mins 18 secs

44 mins 43 secs

10 mins 1 sec

8 mins 44 secs

8 mins 45 secs

8 mins 48 secs

21 mins 1 sec

33 mins 25 secs

21 mins 7 secs

18 mins 48 secs

22 mins 18 secs

36 mins 51 secs

5 mins 59 secs

5 mins 59 secs

1 hour 33 mins 4 secs

1 hour 44 mins 29 secs

1 hour 39 mins 58 secs

17 mins 59 secs

6 mins 6 secs

7 mins

38 mins 15 secs

1 hour 29 mins 7 secs

2 hours 9 mins 32 secs

7 mins

5 mins

10 mins

36 mins 32 secs

53 secs

1 hour 39 mins 7 secs

7 mins 1 sec

35 mins 20 secs

20 mins 33 secs