Rectangles: (5 entries)
  0: Rectangle: x1=0, y1=0, x2=0, y2=0
  1: Rectangle: x1=0, y1=0, x2=0, y2=0
  2: Rectangle: x1=583, y1=101, x2=617, y2=155
  3: Rectangle: x1=0, y1=0, x2=0, y2=0
  4: Rectangle: x1=0, y1=0, x2=0, y2=0