Rectangles: (5 entries)
  0: Rectangle: x1=0, y1=0, x2=0, y2=0
  1: Rectangle: x1=406, y1=291, x2=478, y2=363
  2: Rectangle: x1=531, y1=370, x2=627, y2=465
  3: Rectangle: x1=655, y1=454, x2=772, y2=574
  4: Rectangle: x1=737, y1=520, x2=869, y2=654