Gr. 1=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. Gr. 3=85 A/90 A/85 B/90 B/85 C. Gr. 4=90 C/85 ...