lane actor#1 "alpha" @5:17
lane actor#2 "beta" @9:17
lane actor#3 "gamma" @10:17
region seq#1 seq
step ask#1 ask "alpha" @5:32 lane=actor#1 region=seq#1 always
step ask#2 ask "beta" @9:31 lane=actor#2 region=seq#1 always
step ask#3 ask "gamma" @10:32 lane=actor#3 region=seq#1 always
edge ask#1 -> ask#2 data always exact
edge ask#1 -> ask#3 data always exact
edge ask#2 -> ask#3 seq always
sink ask#2,ask#3
