Rectangles: (4 entries)
  0: Rectangle: x1=43, y1=0, x2=215, y2=46
  1: Rectangle: x1=43, y1=46, x2=215, y2=92
  2: Rectangle: x1=43, y1=92, x2=215, y2=138
  3: Rectangle: x1=43, y1=138, x2=215, y2=189