Rectangles: (5 entries)
  0: Rectangle: x1=0, y1=0, x2=0, y2=0
  1: Rectangle: x1=182, y1=394, x2=254, y2=466
  2: Rectangle: x1=237, y1=505, x2=329, y2=597
  3: Rectangle: x1=292, y1=621, x2=407, y2=736
  4: Rectangle: x1=328, y1=707, x2=458, y2=836