lane actor#1 "s" @7:22
lane actor#2 "j" @8:29
region seq#1 seq
step ask#1 ask "s" @7:33 lane=actor#1 region=seq#1 always
step ask#2 ask "j" @8:40 lane=actor#2 region=seq#1 always
edge ask#1 -> ask#2 data always inexact
