Rectangles: (4 entries)
  0: Rectangle: x1=0, y1=-15, x2=26, y2=1
  1: Rectangle: x1=25, y1=-15, x2=52, y2=1
  2: Rectangle: x1=51, y1=-15, x2=232, y2=1
  3: Rectangle: x1=0, y1=0, x2=16, y2=16