93 87 3 2 16 1980 7 4.75 9 3.1 1.1

3-19




4-5

3-20



-14~2


4-5


3-21



-15~2


4-5


3-22



-10~3


4-5


3-4

3-23



-14~5


5-6


4-5

3-24



-7~7


5-6


5-6

3-25



-16~1


5-6


00257140