another b. insertion

5 mins 14 secs

15 mins 30 secs

35 secs

10 mins 13 secs

55 secs

21 mins 45 secs

8 mins

3 mins 43 secs

2 mins 12 secs

6 mins 43 secs

3 mins 4 secs

11 mins 39 secs

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4 mins 29 secs

6 mins 8 secs

15 mins 49 secs

4 mins 43 secs

5 mins 33 secs

22 mins 21 secs

5 mins 9 secs

1 min 58 secs

13 mins 4 secs

11 mins 51 secs

11 mins 22 secs

4 mins 3 secs

16 secs

4 mins 24 secs

38 secs

5 mins 18 secs

45 secs

1 min 10 secs

32 secs

11 mins 14 secs

2 mins 23 secs

10 mins 6 secs

29 mins 32 secs

6 mins 46 secs

2 mins 2 secs

26 secs

6 mins 1 sec