; search time: 0.23
; plan length: 36
(up f0 f21)
(stop f21)
(down f21 f18)
(stop f18)
(down f18 f0)
(stop f0)
(up f0 f21)
(stop f21)
(down f21 f3)
(stop f3)
(up f3 f21)
(stop f21)
(down f21 f4)
(stop f4)
(up f4 f20)
(stop f20)
(down f20 f8)
(stop f8)
(up f8 f13)
(stop f13)
(down f13 f7)
(stop f7)
(down f7 f6)
(stop f6)
(up f6 f9)
(stop f9)
(up f9 f15)
(stop f15)
(down f15 f1)
(stop f1)
(up f1 f10)
(stop f10)
(down f10 f7)
(stop f7)
(up f7 f14)
(stop f14)
