; search time: 0.21
; plan length: 38
(up f0 f5)
(stop f5)
(up f5 f12)
(stop f12)
(down f12 f9)
(stop f9)
(down f9 f6)
(stop f6)
(up f6 f20)
(stop f20)
(down f20 f10)
(stop f10)
(up f10 f14)
(stop f14)
(up f14 f17)
(stop f17)
(down f17 f1)
(stop f1)
(up f1 f8)
(stop f8)
(up f8 f16)
(stop f16)
(down f16 f5)
(stop f5)
(up f5 f7)
(stop f7)
(down f7 f6)
(stop f6)
(down f6 f2)
(stop f2)
(up f2 f10)
(stop f10)
(down f10 f9)
(stop f9)
(up f9 f18)
(stop f18)
(up f18 f21)
(stop f21)
