phase unphased
phase hole#21b40fca "决定分组" @15:20
lane main
lane actor#1 "勘察员" @14:22
lane hole#21b40fca/actor#1 "分组员" @16:23
lane actor#2 "执行者" @20:8
region seq#1 seq
step ask#1 ask "勘察员" @14:35 lane=actor#1 phase=unphased region=seq#1 always
step hole#21b40fca/ask#1 ask "分组员" @16:36 lane=hole#21b40fca/actor#1 phase=hole#21b40fca region=seq#1 always fill=hole#21b40fca
step hole#7c7fc07b hole "决定顺序" @17:23 lane=main phase=hole#21b40fca region=seq#1 always fill=hole#21b40fca
step ask#2 ask "执行者" @20:21 lane=actor#2 phase=unphased region=seq#1 always
edge ask#1 -> hole#21b40fca/ask#1 data always exact
edge hole#21b40fca/ask#1 -> hole#7c7fc07b data always exact
edge hole#7c7fc07b -> ask#2 data always exact
phase-edge unphased -> hole#21b40fca data always
phase-edge hole#21b40fca -> unphased data always
sink ask#2
