solution trubka (934)

3 mins 26 secs

6 mins 6 secs

6 mins 6 secs

6 mins 6 secs

6 mins 6 secs

5 mins 40 secs

7 mins 5 secs

1 hour 32 mins 43 secs

2 mins 8 secs

7 mins 4 secs

10 mins 3 secs

8 mins

19 mins 2 secs

12 mins 44 secs

16 secs

8 mins 24 secs

6 mins 15 secs

8 mins 18 secs

19 mins 23 secs

18 mins 41 secs

7 mins 25 secs

8 mins

8 mins 1 sec

15 mins

6 mins 55 secs

11 mins 21 secs

8 mins