o. to work in layers

6 mins 34 secs

15 mins 28 secs

6 mins 19 secs

33 secs

37 secs

4 mins 39 secs

4 mins 57 secs

3 mins 37 secs

33 secs

33 secs

1 min 13 secs

1 min 18 secs

5 mins 10 secs

2 mins 1 sec

1 min 29 secs

2 mins 43 secs

33 secs

2 mins 43 secs

3 mins 49 secs

10 mins 41 secs

4 mins 51 secs

2 mins 3 secs

5 mins

6 mins 51 secs

12 mins 7 secs

12 mins 9 secs

11 mins 50 secs

5 mins 16 secs

4 mins 14 secs

6 mins 19 secs

3 mins 51 secs

12 mins 15 secs

9 mins 12 secs

2 mins 50 secs

5 mins

4 mins 44 secs

5 mins 51 secs

12 mins 22 secs

1 min

3 mins 47 secs