b grade

3 mins 58 secs

2 mins 20 secs

9 mins 56 secs

2 mins 10 secs

3 mins 15 secs

9 mins 28 secs

4 mins 8 secs

18 mins 6 secs

7 mins 59 secs

3 mins 17 secs

13 mins 33 secs

24 mins 58 secs

20 mins 5 secs

3 mins 5 secs

8 secs

10 secs

10 mins 56 secs

1 hour 20 mins 24 secs

8 mins 44 secs

51 mins 49 secs

15 secs

3 mins 47 secs

6 mins 28 secs

1 hour 41 mins 36 secs

2 mins 2 secs

1 min 59 secs

4 mins 5 secs

1 min 55 secs

56 secs

2 mins 48 secs

3 mins 54 secs

1 hour 43 mins 46 secs

4 mins 40 secs

1 min 2 secs

1 min 49 secs

10 mins 13 secs

1 min 38 secs

36 mins 55 secs

8 mins 51 secs

4 mins 40 secs