if (visualStg.getMathName(c).endsWith("0")) {
                        c.setNamePositioning(Positioning.RIGHT);
                        c.setPosition(new Point2D.Double(centre.getX() - xDiff, centre.getY()));
                        if ((c.getPosition().getX() < leftmost) || (leftmost == 0.0)) {
                            leftmost = c.getPosition().getX();