Essential Minimizer W X

C 70, C 75, C 80, C 85, C 90, C 95, D 70, D 75, D 80, D 85, D 90, D 95, E 70, E 75, E 80, E 85, E 90, E 95, F 70, F 75, F 80, F 85, F 90, F 95, G 75, G 80, G 85, G 90, G 95, G70