1. A method for maintaining synchronization between a plurality of layout clones of an integrated circuit design, wherein each layout clone comprises at least one figure, the method comprising: tracking, using a computer, relationships between equivalent figures of the plurality of layout clones, wherein the plurality of layout clones are associated with one another within an equivalence group; and propagating an edit made in one of the layout clones within the equivalence group to the other layout clones within the equivalence group.