lane actor#1 "planner" @2:17
lane actor#2 "act" @8:8
region seq#1 seq
step ask#1 ask "planner" @3:24 lane=actor#1 region=seq#1 always
step ask#2 ask "planner" @3:43 lane=actor#1 region=seq#1 always
step ask#3 ask "act" @8:21 lane=actor#2 region=seq#1 always
edge ask#1 -> ask#2 fifo always
edge ask#1 -> ask#3 data maybe exact
edge ask#2 -> ask#3 data maybe exact
sink ask#3
