Rectangles: (5 entries)
  0: Rectangle: x1=0, y1=0, x2=0, y2=0
  1: Rectangle: x1=13, y1=429, x2=17, y2=445
  2: Rectangle: x1=15, y1=551, x2=22, y2=573
  3: Rectangle: x1=21, y1=674, x2=28, y2=700
  4: Rectangle: x1=21, y1=765, x2=31, y2=801