student and teacher

14 mins 28 secs

15 mins 12 secs

20 mins 5 secs

9 mins 40 secs

23 mins 57 secs

17 mins 6 secs

1 min 3 secs

10 mins 5 secs

4 mins 55 secs

20 mins 19 secs

4 mins 36 secs

2 mins 52 secs

27 mins 26 secs

9 mins 19 secs

6 mins 43 secs

3 mins 24 secs

4 mins 31 secs

7 mins 50 secs

2 mins 20 secs

18 secs

5 mins 30 secs

2 mins 16 secs

7 mins

8 mins 59 secs

14 mins 9 secs

51 mins 38 secs

9 mins 38 secs

6 mins 10 secs

6 mins 13 secs

6 mins 22 secs

13 mins 30 secs

7 mins 30 secs

7 mins 30 secs

7 mins 53 secs

12 mins 24 secs

45 secs

11 mins 37 secs

8 mins 33 secs

13 mins 51 secs

23 mins 18 secs