exercise 141 question no 1

29:20

34:21

1:05:08

22:55

12:20

6:07

8:16

20:49

6:08

28:43

24:03

11:19

4:17

32:45

46:36

6:46

10:03

2:34:40

1:29:49

30:50

15:02

2:06

3:32

29:42

5:49

1:35:38

19:17

15:44

16:50

8:34

4:27

12:12

2:45

1:46:04

6:10

18:41

4:25

2:56

9:13

20:18

8:07

3:47

5:39

2:53

7:44

28:06

10:45

25:45

17:35

6:54

11:39

3:26

8:03

12:46

7:49

5:40

4:38

8:58

5:14

9:55