Rectangles: (5 entries)
  0: Rectangle: x1=0, y1=0, x2=0, y2=0
  1: Rectangle: x1=174, y1=107, x2=189, y2=122
  2: Rectangle: x1=227, y1=132, x2=244, y2=149
  3: Rectangle: x1=278, y1=163, x2=301, y2=186
  4: Rectangle: x1=312, y1=190, x2=337, y2=215