Rectangles: (5 entries)
  0: Rectangle: x1=0, y1=0, x2=0, y2=0
  1: Rectangle: x1=160, y1=160, x2=171, y2=199
  2: Rectangle: x1=209, y1=208, x2=246, y2=216
  3: Rectangle: x1=257, y1=256, x2=303, y2=266
  4: Rectangle: x1=289, y1=288, x2=341, y2=299