(unstack a g)
(put-down a)
(unstack c d)
(stack c a)
(unstack d b)
(put-down d)
(unstack b e)
(put-down b)
(unstack c a)
(stack c d)
(unstack e f)
(stack e a)
(pick-up g)
(stack g c)
(pick-up f)
(stack f g)
(pick-up b)
(stack b f)
(unstack e a)
(stack e b)
(pick-up a)
(stack a e)
; cost = 22 (unit cost)
