Rectangles: (4 entries)
  0: Rectangle: x1=87, y1=-1, x2=322, y2=38
  1: Rectangle: x1=87, y1=36, x2=322, y2=99
  2: Rectangle: x1=87, y1=97, x2=322, y2=149
  3: Rectangle: x1=87, y1=147, x2=322, y2=177