Rectangles: (5 entries)
  0: Rectangle: x1=0, y1=0, x2=0, y2=0
  1: Rectangle: x1=156, y1=51, x2=172, y2=58
  2: Rectangle: x1=203, y1=73, x2=219, y2=80
  3: Rectangle: x1=250, y1=95, x2=266, y2=102
  4: Rectangle: x1=281, y1=107, x2=297, y2=114