Rectangles: (5 entries)
  0: Rectangle: x1=0, y1=0, x2=0, y2=0
  1: Rectangle: x1=424, y1=253, x2=462, y2=266
  2: Rectangle: x1=550, y1=320, x2=600, y2=337
  3: Rectangle: x1=678, y1=393, x2=740, y2=415
  4: Rectangle: x1=763, y1=451, x2=832, y2=475