lane actor#1 "Planner" @50:17
lane actor#2 "Reviewer" @57:18
region seq#1 seq
region loop#1 loop parent=seq#1 @80:1
step ask#1 ask "planner" @68:36 lane=actor#1 region=seq#1 always
step ask#2 ask "reviewer" @75:45 lane=actor#2 region=seq#1 always
step ask#3 ask "planner" @86:24 lane=actor#1 region=loop#1 maybe serial
step ask#4 ask "reviewer" @91:28 lane=actor#2 region=loop#1 maybe serial
edge ask#1 -> ask#2 data always exact
edge ask#2 -> ask#3 control maybe
edge ask#3 -> ask#4 data maybe exact
edge ask#4 -> ask#3 carry maybe
sink ask#4
