(define (problem easy)
  (:domain blocksworld)
  (:objects a b c d - block
            r1 r2 r3 - rod
  )
  (:init (onRod d r1) (rodEmpty r2) (rodEmpty r3) (on c d) (on b c) (on a b) (clear a) (handempty) (smaller a b)  (smaller b c) (smaller c d) (smaller a c) (smaller a d) (smaller b d))
  (:goal (and (onRod d r3) (on c d) (on b c) (on a b) (clear a)))
)