Rectangles: (5 entries)
  0: Rectangle: x1=0, y1=0, x2=0, y2=0
  1: Rectangle: x1=232, y1=620, x2=260, y2=633
  2: Rectangle: x1=302, y1=793, x2=330, y2=806
  3: Rectangle: x1=371, y1=975, x2=403, y2=987
  4: Rectangle: x1=423, y1=1103, x2=459, y2=1118