distribut fig object contain fig object sequencediagram param distribut fig classifi role fig classifi role reshuffl fig classifi role list posit fig object index iter fig object sub list list posit fig object size iter posit list posit diagram left margin fig fig object list posit fig fig object list posit width object distanc fig classifi role fig fig classifi role rectangl fig bound posit posit diagram margin fig set bound fig updat edg posit fig fig width object distanc 