Rectangles: (5 entries)
  0: Rectangle: x1=0, y1=0, x2=0, y2=0
  1: Rectangle: x1=275, y1=330, x2=291, y2=332
  2: Rectangle: x1=359, y1=420, x2=377, y2=423
  3: Rectangle: x1=442, y1=516, x2=465, y2=520
  4: Rectangle: x1=497, y1=583, x2=523, y2=588