Rectangles: (5 entries)
  0: Rectangle: x1=0, y1=0, x2=0, y2=0
  1: Rectangle: x1=445, y1=41, x2=485, y2=60
  2: Rectangle: x1=579, y1=44, x2=627, y2=69
  3: Rectangle: x1=711, y1=58, x2=775, y2=83
  4: Rectangle: x1=799, y1=71, x2=871, y2=100