if (isMain == mainlineA) {
                    g2.draw(new Line2D.Double(pAL, pABL));
                    g2.draw(new Line2D.Double(pVRtB, pKLtD));
                    g2.draw(new Line2D.Double(pAFL, pABR));
                    g2.draw(new Line2D.Double(pAFL, pKL));