Rectangles: (10 entries)
  0: Rectangle: x1=0, y1=0, x2=0, y2=0
  1: Rectangle: x1=287, y1=369, x2=367, y2=449
  2: Rectangle: x1=380, y1=476, x2=471, y2=567
  3: Rectangle: x1=468, y1=586, x2=581, y2=699
  4: Rectangle: x1=527, y1=668, x2=652, y2=793
  5: Rectangle: x1=0, y1=0, x2=0, y2=0
  6: Rectangle: x1=287, y1=179, x2=367, y2=259
  7: Rectangle: x1=380, y1=234, x2=471, y2=325
  8: Rectangle: x1=468, y1=288, x2=581, y2=401
  9: Rectangle: x1=527, y1=332, x2=652, y2=457