Gr. 1=70 A/75 A/80 A/70 B/75 B/80 B/70 C/75 C. Gr. 2=80 C/70 D/75 D/80 D/70 E/75 E/80 E/70 F/75 F. Gr. 3=85 A/90 A/95 A/85 B/90 B/95 ...