(DEFINE (PROBLEM STRIPS-GRIPPER4) (:DOMAIN GRIPPER-STRIPS) (:OBJECTS ROOMA ROOMB BALL1 BALL2 BALL3 BALL4 LEFT RIGHT) (:INIT (ROOM ROOMA) (ROOM ROOMB) (BALL BALL1) (BALL BALL2) (BALL BALL3) (BALL BALL4) (GRIPPER LEFT) (GRIPPER RIGHT) (AT-ROBBY ROOMA) (FREE LEFT) (FREE RIGHT) (AT BALL1 ROOMA) (AT BALL2 ROOMA) (AT BALL3 ROOMA) (AT BALL4 ROOMA)) (:GOAL (AND (AT BALL1 ROOMB) (AT BALL2 ROOMB) (AT BALL3 ROOMB) (AT BALL4 ROOMB))))