exercise solutions

41:27

3:22:47

32:09

51:28

2:15:30

4:16

1:24:06

5:19

1:10:04

2:25:34

10:02

3:01

1:11:03

1:15:32

22:03

15:44

6:36

2:14:18

16:16

1:32:12

43:40

1:36:58

1:28:34

52:48

1:30:15

2:00:06

3:12

27:02

42:02

1:24:51

2:57

1:00:25

55:13

43:23

43:38

20:11

5:27

6:28

1:01:31

14:29

1:03:35

3:03:13

26:31

10:51

9:51

20:09

55:38

1:25:12

12:52

12:01

57:11

4:17

6:56

55:59

1:10:48

58:23

1:33:00

11:06

5:49:55

3:04:24