Rectangles: (5 entries)
  0: Rectangle: x1=0, y1=0, x2=400, y2=50
  1: Rectangle: x1=8, y1=4, x2=40, y2=36
  2: Rectangle: x1=42, y1=2, x2=380, y2=14
  3: Rectangle: x1=42, y1=14, x2=380, y2=26
  4: Rectangle: x1=42, y1=26, x2=380, y2=38