(up f0 f7)
(board f7 p5)
(down f7 f5)
(board f5 p3)
(board f5 p0)
(up f5 f6)
(depart f6 p5)
(board f6 p1)
(up f6 f11)
(depart f11 p0)
(down f11 f3)
(board f3 p4)
(board f3 p2)
(up f3 f7)
(depart f7 p1)
(up f7 f8)
(depart f8 p4)
(down f8 f0)
(depart f0 p2)
(depart f0 p3)
; cost = 20 (unit cost)
