Rectangles: (17 entries)
  0: Rectangle: x1=0, y1=0, x2=22, y2=20
  1: Rectangle: x1=0, y1=21, x2=22, y2=41
  2: Rectangle: x1=0, y1=42, x2=22, y2=62
  3: Rectangle: x1=0, y1=63, x2=22, y2=83
  4: Rectangle: x1=0, y1=84, x2=22, y2=104
  5: Rectangle: x1=23, y1=0, x2=45, y2=20
  6: Rectangle: x1=23, y1=21, x2=45, y2=41
  7: Rectangle: x1=23, y1=42, x2=45, y2=62
  8: Rectangle: x1=23, y1=63, x2=45, y2=104
  9: Rectangle: x1=46, y1=0, x2=68, y2=20
  10: Rectangle: x1=46, y1=21, x2=68, y2=41
  11: Rectangle: x1=46, y1=42, x2=68, y2=62
  12: Rectangle: x1=46, y1=63, x2=68, y2=83
  13: Rectangle: x1=46, y1=84, x2=68, y2=104
  14: Rectangle: x1=0, y1=109, x2=22, y2=129
  15: Rectangle: x1=23, y1=109, x2=45, y2=129
  16: Rectangle: x1=46, y1=109, x2=68, y2=129