lane actor#1 "slow" @10:14
lane actor#2 "fresh" @11:41
lane actor#3 "after" @12:21
region seq#1 seq
step ask#1 ask "slow" @10:28 lane=actor#1 region=seq#1 always
step ask#2 ask "fresh" @11:56 lane=actor#2 region=seq#1 always
step ask#3 ask "after" @12:36 lane=actor#3 region=seq#1 always
edge ask#1 -> ask#3 seq maybe
edge ask#2 -> ask#3 seq always
sink ask#1,ask#2,ask#3
