Rectangles: (4 entries)
  0: Rectangle: x1=476, y1=80, x2=520, y2=144
  1: Rectangle: x1=476, y1=80, x2=520, y2=144
  2: Rectangle: x1=476, y1=88, x2=520, y2=152
  3: Rectangle: x1=476, y1=96, x2=520, y2=160