'(=> (= (Door_Opening_Type ?X) center) (= (Car_Return_Left ?X) (/ (- (Platform_Width_F (Elevator.Platform ?X)) (Opening_Width_Door ?X)) 2)))
;; BUG: redundant constraints ;; ;; The constraints: ;; car_return_left_c01 ;; car_return_left_c02 ;; car_return_left_c03 ;; are really subsumed by car_return_left_c0[4-9] ;; ;; The redundancy is probably an historical artefact.