Rectangles: (5 entries)
  0: Rectangle: x1=0, y1=0, x2=-100, y2=-100
  1: Rectangle: x1=0, y1=0, x2=-100, y2=-100
  2: Rectangle: x1=0, y1=0, x2=2400, y2=1800
  3: Rectangle: x1=0, y1=0, x2=3600, y2=2400
  4: Rectangle: x1=0, y1=0, x2=4800, y2=3600