Rectangles: (5 entries)
  0: Rectangle: x1=0, y1=0, x2=0, y2=0
  1: Rectangle: x1=4, y1=59, x2=38, y2=149
  2: Rectangle: x1=5, y1=81, x2=50, y2=189
  3: Rectangle: x1=6, y1=103, x2=62, y2=229
  4: Rectangle: x1=7, y1=115, x2=70, y2=259