Rectangles: (5 entries)
  0: Rectangle: x1=0, y1=0, x2=0, y2=0
  1: Rectangle: x1=79, y1=558, x2=103, y2=565
  2: Rectangle: x1=105, y1=718, x2=129, y2=725
  3: Rectangle: x1=127, y1=882, x2=159, y2=892
  4: Rectangle: x1=144, y1=1001, x2=176, y2=1011