private static void drawSpringPeriod(final Graphics g,final int x,final int y){
    g.setColor(ourColor2);
    LinePainter2D.paint((Graphics2D)g, x + 1, y, x + 2, y);
    LinePainter2D.paint((Graphics2D)g, x, y + 1, x, y + 1);
    LinePainter2D.paint((Graphics2D)g, x - 1, y + 2, x - 2, y + 2);

    g.setColor(ourColor3);
    LinePainter2D.paint((Graphics2D)g, x, y + 3, x, y + 3);
  }
private static void drawSpringPeriod(final Graphics g,final int x,final int y)