(define (problem gripper2) (:domain gripper) (:objects roomA roomB Ball1 Ball2 left right) (:init (room roomA) (room roomB) (ball Ball1) (ball Ball2) (gripper left) (gripper right) (at-robby roomA) (free left) (free right) (at Ball1 roomA) (at Ball2 roomA)) (:goal (and (at Ball1 roomB) (at Ball2 roomB))))