lane actor#1 "writer" @6:21
lane actor#2 "reviewer" @7:22
lane actor#3 "reviser" @9:21
region seq#1 seq
step ask#1 ask "writer" @6:37 lane=actor#1 region=seq#1 always
step ask#2 ask "reviewer" @7:40 lane=actor#2 region=seq#1 always
step ask#3 ask "reviser" @9:38 lane=actor#3 region=seq#1 always
edge ask#1 -> ask#2 data always exact
edge ask#2 -> ask#3 data always exact
sink ask#3
