(create s0)
(fire-one-to-one s0 a1)
(fire-one-to-one a1 a2)
(fire-one-to-one a2 a3)
(create s0)
(create s0)
(create s0)
(fire-one-to-one s0 a1)
(fire-one-to-one s0 b1)
(fire-one-to-one s0 c1)
(fire-one-to-one c1 c2)
(fire-one-to-one b1 b2)
(fire-one-to-one a1 a2)
(fire-one-to-one c2 c3)
(fire-one-to-one b2 b3)
(fire-one-to-one a2 a3)
(fire-three-to-one a3 b3 c3 d2)
(fire-one-to-one a3 d1)
(fire-two-to-one d1 d2 g)
(create s0)
(fire-one-to-one s0 a1)
(fire-one-to-one a1 a2)
(fire-one-to-one a2 a3)
(create s0)
(create s0)
(create s0)
(fire-one-to-one s0 a1)
(fire-one-to-one s0 b1)
(fire-one-to-one s0 c1)
(fire-one-to-one c1 c2)
(fire-one-to-one b1 b2)
(fire-one-to-one a1 a2)
(fire-one-to-one c2 c3)
(fire-one-to-one b2 b3)
(fire-one-to-one a2 a3)
(fire-three-to-one a3 b3 c3 d2)
(fire-one-to-one a3 d1)
(fire-two-to-one d1 d2 g)
(create s0)
(fire-one-to-one s0 a1)
(fire-one-to-one a1 a2)
(fire-one-to-one a2 a3)
; cost = 42 (unit cost)
