Rectangles: (5 entries)
  0: Rectangle: x1=0, y1=0, x2=0, y2=0
  1: Rectangle: x1=141, y1=558, x2=165, y2=565
  2: Rectangle: x1=184, y1=718, x2=208, y2=725
  3: Rectangle: x1=224, y1=882, x2=256, y2=892
  4: Rectangle: x1=253, y1=1001, x2=285, y2=1011