Rectangles: (5 entries)
  0: Rectangle: x1=-100, y1=-100, x2=-100, y2=-100
  1: Rectangle: x1=173, y1=112, x2=220, y2=130
  2: Rectangle: x1=286, y1=122, x2=323, y2=138
  3: Rectangle: x1=323, y1=122, x2=363, y2=138
  4: Rectangle: x1=225, y1=105, x2=400, y2=121