Rectangles: (8 entries)
  0: Rectangle: x1=405, y1=275, x2=530, y2=361
  1: Rectangle: x1=0, y1=0, x2=74, y2=46
  2: Rectangle: x1=168, y1=0, x2=389, y2=59
  3: Rectangle: x1=515, y1=1, x2=639, y2=219
  4: Rectangle: x1=43, y1=139, x2=171, y2=252
  5: Rectangle: x1=196, y1=80, x2=440, y2=183
  6: Rectangle: x1=42, y1=398, x2=174, y2=479
  7: Rectangle: x1=531, y1=386, x2=639, y2=479