#  cube.xyzl
#  created by xyz_io::xyzl_header_write.C
#
#  Number of points     = 8
#  Number of lines      = 6
#  Number of line items = 18
#
  0  1  2  3  0
  4  5  6  7  4
  0  4
  1  5
  2  6
  3  7