Black the part in two

6 mins 38 secs

1 min 22 secs

15 secs

9 mins 44 secs

44 secs

2 mins

12 mins 30 secs

5 mins 44 secs

25 secs

30 secs

5 mins 17 secs

1 min 30 secs

8 mins 40 secs

45 secs

2 mins 20 secs

2 mins 10 secs

2 mins 22 secs

2 mins 27 secs

45 secs

5 secs

10 mins 6 secs

2 mins 9 secs

5 secs

23 secs

1 min 6 secs

2 mins 19 secs

52 secs

53 secs

30 mins 49 secs

15 mins 1 sec

6 mins 15 secs

3 mins

3 mins 6 secs

56 secs

39 secs

23 secs

7 mins 58 secs

6 mins 36 secs

1 min 2 secs

13 mins 8 secs