; search time: 20.45
; plan length: 94
(up f0 f23)
(stop f23)
(up f23 f50)
(stop f50)
(down f50 f34)
(stop f34)
(down f34 f17)
(stop f17)
(up f17 f19)
(stop f19)
(up f19 f24)
(stop f24)
(up f24 f50)
(stop f50)
(down f50 f13)
(stop f13)
(up f13 f33)
(stop f33)
(down f33 f5)
(stop f5)
(up f5 f26)
(stop f26)
(down f26 f23)
(stop f23)
(up f23 f39)
(stop f39)
(up f39 f50)
(stop f50)
(down f50 f9)
(stop f9)
(up f9 f19)
(stop f19)
(down f19 f2)
(stop f2)
(up f2 f27)
(stop f27)
(down f27 f14)
(stop f14)
(up f14 f53)
(stop f53)
(down f53 f28)
(stop f28)
(up f28 f53)
(stop f53)
(down f53 f52)
(stop f52)
(down f52 f9)
(stop f9)
(down f9 f7)
(stop f7)
(up f7 f34)
(stop f34)
(up f34 f46)
(stop f46)
(down f46 f42)
(stop f42)
(down f42 f31)
(stop f31)
(down f31 f29)
(stop f29)
(down f29 f13)
(stop f13)
(up f13 f47)
(stop f47)
(down f47 f43)
(stop f43)
(down f43 f8)
(stop f8)
(up f8 f48)
(stop f48)
(down f48 f20)
(stop f20)
(down f20 f13)
(stop f13)
(up f13 f30)
(stop f30)
(down f30 f24)
(stop f24)
(up f24 f42)
(stop f42)
(down f42 f38)
(stop f38)
(down f38 f10)
(stop f10)
(up f10 f31)
(stop f31)
(up f31 f46)
(stop f46)
(down f46 f21)
(stop f21)
(down f21 f4)
(stop f4)
(up f4 f54)
(stop f54)
