the last step

6 mins 42 secs

4 mins 49 secs

38 mins 33 secs

12 mins 49 secs

16 mins 19 secs

18 mins 58 secs

17 mins 4 secs

3 mins 25 secs

13 mins 16 secs

32 mins 18 secs

6 mins 34 secs

18 mins 36 secs

7 mins 33 secs

4 mins 45 secs

3 mins

3 mins 53 secs

31 mins 5 secs

28 mins 32 secs

6 mins 31 secs

11 mins 54 secs

11 mins 17 secs

2 mins 11 secs

6 mins

7 mins 35 secs

10 mins 22 secs

25 mins 3 secs

3 mins 16 secs

32 mins 45 secs

5 mins 37 secs

5 mins 5 secs

25 mins 8 secs

12 mins 24 secs

5 mins 13 secs

9 mins 6 secs

12 mins 41 secs

28 mins 52 secs

27 mins 7 secs

8 mins 12 secs

29 mins 45 secs

29 mins 23 secs