Subway drawing conditions equation = [(total # of ppl.) x [(# of ppl. < 5’9”) - (# of ppl. > 5’9.1”) / (surface area of train floor)] x [(interesting face coefficient) x (artist’s motivation factor)] + (elbow room constant) - (personal space variable).
Maybe it’s the scientist in me talking, but according to my calculations, these these working conditions are clearly suboptimal.