exercise 22 solution

1:04:13

32:36

1:58:25

8:52

13:38

9:32

38:48

7:20

4:54

2:07:38

18:53

22:25

1:37:35

1:30:15

1:21

2:20:53

26:45

3:22:47

24:44

1:37:14

1:45:18

8:59

4:20

9:03

35:00

31:14

9:02

58:33

5:42

2:44:58

11:52

7:32

2:50

1:29:59

7:10

24:56

53:35

25:53

9:09

7:49

1:37:22

34:45

1:12:33

55:38

1:04:30

1:00:27

45:15

8:45

7:10

10:27

31:14

25:13

10:02

6:10

1:09:33

1:49

22:28

9:19

38:44

2:29