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

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