Student and teacher in

12 mins 4 secs

2 mins 30 secs

45 secs

7 mins 22 secs

10 mins

2 mins 29 secs

36 mins 2 secs

3 mins 41 secs

5 mins 19 secs

10 mins 24 secs

29 mins 53 secs

1 hour 21 mins 19 secs

16 mins 8 secs

1 min 53 secs

3 mins 57 secs

2 mins 17 secs

2 mins 37 secs

2 hours 7 mins 54 secs

2 hours 2 mins 59 secs

17 mins 10 secs

1 hour 59 mins 59 secs

17 mins 22 secs

1 hour 59 mins 36 secs

16 mins 50 secs

45 mins 46 secs

12 mins 48 secs

2 hours 17 mins 33 secs

1 hour 56 mins 42 secs

9 mins 18 secs

1 hour 51 mins 34 secs

25 mins 11 secs

47 mins 14 secs

24 mins 53 secs

35 mins 58 secs

1 hour 56 mins 30 secs

33 mins 6 secs

1 hour 58 mins 7 secs

22 mins 3 secs

1 hour 10 mins 11 secs

18 mins 20 secs