exercisesolutions

31:50

51:28

4:07:40

38:48

32:20

1:19:16

32:24

14:57

1:00:25

4:40:10

46:40

1:32:12

2:27:42

1:18:37

37:23

29:04

32:07

13:30

1:11:03

1:33:00

15:54

29:42

42:44

2:26:16

7:52

1:24:51

32:08

2:00:06

35:04

32:09

46:43

8:43

16:07

41:29

53:03

43:23

38:42

14:29

1:34:24

37:20

1:25:24

1:30:15

1:35:20

7:47

1:21:25

6:35

1:08:09

9:40

1:38:06

6:45

39:15

4:17

52:48

6:29

5:12

2:58:57

3:31:16

5:49:55

20:50

53:26