23

31

24

-42

(a)  

96

-82

31

23

(a)  

45

23

-36

29

(a)  

17

82

-66

45

(a)  

76

-43

24

59

(a)  

25

62

-46

37

(a)  

82

-41

23

-12

(a)  

47

-36

34

42

(a)  

65

-43

24

37

(a)  

98

-87

42

36

(a)  

66

-42

24

37

(a)  

82

83

23

(a)  

63

28

74

(a)  

76

-42

13

26

(a)  

36

43

-27

47

(a)