#head of the lammps model file
2 atoms
2 atom types
   -14.91000000      14.91000000  xlo xhi
   -16.26425411      16.26425411  ylo yhi
   -68.24097231      68.24097231  zlo zhi
 
Atoms

1 1 0.0  0.0  0.0  0.0
2 2 0.0  0.0  0.0  3.3