Russian students

1 hour 24 mins 58 secs

1 hour 27 mins 37 secs

32 mins 13 secs

22 mins 2 secs

40 mins 51 secs

58 mins 25 secs

11 mins 8 secs

32 mins 52 secs

6 mins 1 sec

25 mins 38 secs

32 mins 12 secs

11 mins 21 secs

4 mins

53 mins 54 secs

7 mins 42 secs

7 mins 58 secs

32 mins 53 secs

1 hour 53 mins 40 secs

19 mins 12 secs

1 hour 30 mins 25 secs

47 mins 24 secs

31 mins 35 secs

5 mins 5 secs

45 mins 51 secs

1 hour 27 mins 37 secs

8 mins

25 mins 12 secs

55 mins 39 secs

1 hour 59 mins 19 secs

1 hour 43 mins 38 secs

9 mins 30 secs

28 mins 58 secs

14 mins 44 secs

16 mins 56 secs

27 mins 51 secs

6 mins 35 secs

38 mins 27 secs

23 mins 21 secs

25 mins 58 secs

21 mins 47 secs