21.6



30 %


1

6-4




4-5

6-5



20/10


4-5


4-5

6-6



22/7


4-5


4-5

6-7



22/8


4-5


4-5

6-8



23/9


4-5


4-5

6-9



23/9


4-5


4-5

6-10



23/9


4-5


4-5