lane actor#1 "critic" @5:16
region seq#1 seq
step ask#1 ask "critic" @6:28 lane=actor#1 region=seq#1 always
step ask#2 ask "critic" @7:29 lane=actor#1 region=seq#1 always
step ask#3 ask "critic" @8:28 lane=actor#1 region=seq#1 always
edge ask#1 -> ask#2 data always exact
edge ask#2 -> ask#3 fifo always
sink ask#2,ask#3
