Rectangles: (5 entries)
  0: Rectangle: x1=0, y1=0, x2=0, y2=0
  1: Rectangle: x1=179, y1=503, x2=229, y2=514
  2: Rectangle: x1=237, y1=647, x2=287, y2=658
  3: Rectangle: x1=301, y1=799, x2=353, y2=811
  4: Rectangle: x1=338, y1=907, x2=394, y2=922