run("Blobs (25K)");
  makeOval(69, 46, 108, 110);
  roiManager("reset");
  roiManager("Add");
  roiManager("Select", 0);
  run("Enlarge...", "enlarge=20");  
  roiManager("Add");
  roiManager("Select", roiManager("count")-1);
  setKeyDown("alt");
  roiManager("Select", 0);
  setKeyDown("none");
  roiManager("Add");