if (isMain == mainlineC) {
                    g2.draw(new Line2D.Double(pCR, pCDR));
                    g2.draw(new Line2D.Double(pKRtB, pVLtD));
                    g2.draw(new Line2D.Double(pCFR, pCDL));
                    g2.draw(new Line2D.Double(pCFR, pKR));