Rectangles: (4 entries)
  0: Rectangle: x1=87, y1=-1, x2=174, y2=176
  1: Rectangle: x1=87, y1=176, x2=239, y2=254
  2: Rectangle: x1=172, y1=-1, x2=322, y2=176
  3: Rectangle: x1=237, y1=176, x2=322, y2=254