93.3 %

3-19




4-5

3-20



-6~4


3-4


3-4

3-21



-8~4


4-5


3-22



-10~4



3-4

3-23



-9~8


4-5


3-24



-7~13


4-5


3-4

3-25



-5~4


3-4


3-4

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