practicing管 （1044）

5 mins 3 secs

6 mins 8 secs

13 mins 13 secs

7 mins 38 secs

5 mins 9 secs

6 mins

1 min 23 secs

50 secs

47 secs

6 mins 27 secs

10 mins 34 secs

2 mins 25 secs

14 mins

2 mins 41 secs

1 min 36 secs

6 mins

38 secs

30 secs

1 min 23 secs

3 mins 10 secs

6 mins 25 secs

6 mins 5 secs

1 min 44 secs

11 mins 8 secs

12 mins 38 secs

27 secs