Rectangles: (4 entries)
  0: Rectangle: x1=87, y1=-1, x2=379, y2=99
  1: Rectangle: x1=87, y1=97, x2=379, y2=270
  2: Rectangle: x1=377, y1=-1, x2=560, y2=99
  3: Rectangle: x1=377, y1=97, x2=560, y2=270