problem

39 mins 28 secs

5 mins 49 secs

11 mins 47 secs

7 mins 19 secs

5 mins 9 secs

34 mins 47 secs

3 mins 27 secs

6 mins 10 secs

5 mins 56 secs

6 mins 15 secs

6 mins 15 secs

5 mins

8 mins 13 secs

10 mins 51 secs

3 mins 56 secs

5 mins

3 mins 30 secs

5 mins 46 secs

1 min 18 secs

6 mins

30 mins 22 secs

14 mins 39 secs

10 mins 2 secs

17 mins 27 secs

8 mins 52 secs

10 secs

19 mins 32 secs

6 mins

1 min 41 secs

10 mins 20 secs

12 mins 45 secs

2 mins 24 secs

10 mins 8 secs

12 mins 3 secs

12 mins

5 mins 7 secs

12 mins 47 secs

10 mins

10 mins 29 secs

10 mins 2 secs