Rectangles: (5 entries)
  0: Rectangle: x1=0, y1=0, x2=0, y2=0
  1: Rectangle: x1=50, y1=14, x2=150, y2=28
  2: Rectangle: x1=70, y1=14, x2=190, y2=32
  3: Rectangle: x1=86, y1=16, x2=234, y2=38
  4: Rectangle: x1=97, y1=21, x2=263, y2=45