(move loc-x1-y1 loc-x2-y1)
(move loc-x2-y1 loc-x2-y0)
(move loc-x2-y0 loc-x1-y0)
(move loc-x1-y0 loc-x0-y0)
(move loc-x0-y0 loc-x0-y1)
(move loc-x0-y1 loc-x0-y2)
; cost = 6 (unit cost)
