Rectangles: (5 entries)
  0: Rectangle: x1=0, y1=0, x2=0, y2=0
  1: Rectangle: x1=46, y1=318, x2=64, y2=335
  2: Rectangle: x1=60, y1=404, x2=82, y2=426
  3: Rectangle: x1=73, y1=496, x2=101, y2=524
  4: Rectangle: x1=82, y1=567, x2=113, y2=598