65
70
75
80
B
Ⅰ
Ⅰ
Ⅱ
Ⅱ
C
Ⅰ
Ⅰ
Ⅱ
Ⅱ
D
Ⅲ
Ⅲ
Ⅳ
Ⅳ
E
Ⅲ
Ⅲ
Ⅳ
Ⅳ
