chapter 11 excercise 111

1:10:28

31:39

1:08:09

43:40

21:43

1:24:02

1:24:01

1:55

1:25:30

3:47

6:02

39:23

34:39

8:22

8:18

4:16

1:04:57

20:32

9:32

10:50

1:38:06

10:00

33:07

4:50

28:34

48:41

1:04:03

7:02

33:28

54:19

4:29

5:43

7:26

53:50

7:36

1:52:57

2:45

1:02:29

11:49

1:03:37

11:15

1:10:00

3:33

1:06:25

3:13

3:38

3:37

49:21

16:17

1:08:40

24:01

5:12

13:18

30:34

3:13:04

2:51

47:32

39:27

4:29

1:17:15