26

42

85

-12

-43

59

76

-36

51

26

(a)  

48

15

-23

65

-45

84

75

-96

26

15

(a)  

85

41

26

-23

65

-48

15

-25

15

75

226

(a)  

87

41

26

-95

63

26

-41

-18

52

36

177

(a)  

74

-51

24

16

-80

41

26

53

-11

45

137

(a)  

84

-15

-12

35

62

85

-54

13

26

84

308

(a)  

63

25

12

-15

48

-20

31

15

64

-87

(a)  

96

-75

45

15

-25

36

15

-87

42

15

(a)  

98

-54

15

23

65

-15

48

-78

23

11

(a)