*/
public static Tree getDiamondTree(int b, int d1, int d2) {
Tree t = new Tree();
t.getNodeTable().addColumns(LABEL_SCHEMA);
Node r = t.addRoot();
r.setString(LABEL, "0,0");
Node left = t.addChild(r);
left.setString(LABEL, "1,0");
Node right = t.addChild(r);