Two holes alternately inserted

8 mins

8 mins

33 secs

18 mins 37 secs

4 mins 20 secs

7 mins 35 secs

7 mins

6 mins 15 secs

6 mins 10 secs

6 mins 30 secs

5 mins 55 secs

5 mins 33 secs

11 mins 34 secs

41 secs

7 mins 21 secs

2 mins 30 secs

12 mins 11 secs

6 mins 20 secs

11 mins 3 secs

4 mins 59 secs

18 mins 15 secs

11 mins 5 secs

14 mins 5 secs

14 mins 21 secs

5 mins

11 mins 28 secs

46 secs

10 mins 58 secs

16 mins 10 secs

16 mins 41 secs

5 mins 1 sec

1 min 30 secs

3 mins

5 mins 11 secs

10 mins 25 secs

2 hours 16 mins

12 mins 13 secs