Teacher and student

15 mins 27 secs

13 mins 26 secs

57 mins 45 secs

6 mins

9 mins 42 secs

6 mins 45 secs

44 secs

4 mins 59 secs

10 mins 28 secs

11 mins 28 secs

40 mins 14 secs

10 mins 48 secs

3 mins 12 secs

5 mins 16 secs

34 mins 46 secs

6 mins 25 secs

6 mins 17 secs

11 mins 11 secs

16 mins

12 mins 4 secs

9 mins 9 secs

7 mins 43 secs

15 mins

8 mins 36 secs

9 mins 46 secs

10 mins 54 secs

5 mins 53 secs

14 mins 58 secs

10 mins 39 secs

12 mins 45 secs

11 mins 3 secs

13 mins 32 secs

17 mins 33 secs

16 mins 37 secs

17 mins 9 secs

15 mins 11 secs

17 mins 21 secs

15 mins 46 secs

15 mins 5 secs

11 mins 42 secs