Rectangles: (5 entries)
  0: Rectangle: x1=0, y1=0, x2=0, y2=0
  1: Rectangle: x1=20, y1=374, x2=31, y2=380
  2: Rectangle: x1=25, y1=477, x2=36, y2=483
  3: Rectangle: x1=43, y1=589, x2=56, y2=596
  4: Rectangle: x1=39, y1=672, x2=54, y2=680