环管 （122）

22 mins 3 secs

1 min 24 secs

17 mins 26 secs

46 secs

6 mins 6 secs

5 mins 25 secs

7 mins 42 secs

3 mins 52 secs

6 mins 26 secs

5 mins 42 secs

6 mins 39 secs

6 mins 7 secs

6 mins 43 secs

12 mins 3 secs

14 mins 13 secs

5 mins 43 secs

5 mins 11 secs

8 mins 5 secs

16 mins 33 secs

17 mins 3 secs

12 mins 6 secs

16 mins 30 secs

16 mins 37 secs

12 mins 3 secs

23 mins 55 secs

12 mins 38 secs

16 mins 6 secs