Rectangles: (5 entries)
  0: Rectangle: x1=0, y1=0, x2=0, y2=0
  1: Rectangle: x1=156, y1=59, x2=183, y2=149
  2: Rectangle: x1=203, y1=81, x2=238, y2=189
  3: Rectangle: x1=250, y1=103, x2=293, y2=229
  4: Rectangle: x1=281, y1=115, x2=320, y2=259