Rectangles: (5 entries)
  0: Rectangle: x1=0, y1=0, x2=0, y2=0
  1: Rectangle: x1=377, y1=255, x2=417, y2=270
  2: Rectangle: x1=632, y1=405, x2=681, y2=427
  3: Rectangle: x1=0, y1=0, x2=0, y2=0
  4: Rectangle: x1=0, y1=0, x2=0, y2=0