new2Big = new Edge(newNode, biggerClus.getRenderedNode(), biggerClus.getWeight());
new2Small = new Edge(newNode, smallerClus.getRenderedNode(), smallerClus.getWeight());
parent.addOutEdge(parent2New);
newNode.addInEdge(parent2New);
newNode.addOutEdge(new2Small);
smallerClus.getRenderedNode().addInEdge(new2Small);
newNode.addOutEdge(new2Big);
biggerClus.getRenderedNode().addInEdge(new2Big);
newNode.setRoutingParent(parent);