Rectangles: (5 entries)
  0: Rectangle: x1=0, y1=0, x2=0, y2=0
  1: Rectangle: x1=294, y1=221, x2=351, y2=249
  2: Rectangle: x1=382, y1=278, x2=468, y2=315
  3: Rectangle: x1=470, y1=342, x2=577, y2=387
  4: Rectangle: x1=529, y1=393, x2=649, y2=444