Rectangles: (5 entries)
  0: Rectangle: x1=0, y1=0, x2=0, y2=0
  1: Rectangle: x1=75, y1=171, x2=125, y2=185
  2: Rectangle: x1=115, y1=222, x2=165, y2=240
  3: Rectangle: x1=142, y1=273, x2=203, y2=295
  4: Rectangle: x1=160, y1=307, x2=228, y2=332