lane actor#1 "planner" @5:20
lane actor#2 "worker" @8:18
lane actor#3 "salvage" @10:25
region seq#1 seq
step ask#1 ask "planner" @5:37 lane=actor#1 region=seq#1 always
step ask#2 ask "worker" @8:34 lane=actor#2 region=seq#1 always
step ask#3 ask "salvage" @10:42 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
