; search time: 0.07
; plan length: 32
(unstack a d)
(put-down a)
(unstack d b)
(put-down d)
(pick-up a)
(stack a b)
(unstack a b)
(stack a d)
(unstack b f)
(put-down b)
(unstack a d)
(stack a b)
(unstack f e)
(stack f a)
(unstack e c)
(stack e f)
(pick-up c)
(stack c d)
(unstack e f)
(put-down e)
(unstack f a)
(stack f e)
(unstack a b)
(stack a f)
(pick-up b)
(stack b c)
(unstack a f)
(stack a b)
(unstack f e)
(stack f a)
(pick-up e)
(stack e f)
