lane actor#1 "planner" @7:20
lane actor#2 "judge" @14:12 families=fanout#1
region seq#1 seq
region fanout#1 fanout parent=seq#1 @17:36 label="map"
step ask#1 ask "planner" @7:37 lane=actor#1 region=seq#1 always
step ask#2 ask "judge" @14:27 lane=actor#2 region=fanout#1 maybe stack
edge ask#1 -> ask#2 data maybe exact
sink ask#2
