!7

p {
  new CirclesAndLines cal;
  Circle a = cal.circle_autoVis("Hello", random(), random());
  Circle b = cal.circle_autoVis("World", random(), random());
  Circle c = cal.circle_autoVis("Test", random(), random());
  cal.arrow(a, "", b);
  cal.arrow(a, "", c);
  new CALSpringLayout(cal).step();
  showCAL(cal);
}