[ A ] { flow: south; size: 5,1; } <--> [ B ], [ C ], [ D ] { origin: A; }


<--> { start: south; end: south, 0; } [ E ] { origin: A; offset: 2,0; }

[ B ] { offset: 0,2; }
[ C ] { origin: B; offset: 2,0; }
[ D ] { origin: C; offset: 2,0; }