lane actor#1 "analyst" @10:11
lane actor#2 "builder" @11:11
lane actor#3 "reviewer" @18:8
region seq#1 seq
step ask#1 ask "a" @13:24 lane=actor#1 region=seq#1 always
step ask#2 ask "a" @13:52 lane=actor#1 region=seq#1 always
step ask#3 ask "b" @14:24 lane=actor#2 region=seq#1 always
step ask#4 ask "reviewer" @18:26 lane=actor#3 region=seq#1 always
edge ask#1 -> ask#2 fifo always
edge ask#1 -> ask#4 data maybe exact
edge ask#2 -> ask#4 data maybe exact
edge ask#3 -> ask#4 data always exact
sink ask#4
