Cluster test driver 3 atoms -25 25 xlo xhi -25 25 ylo yhi -25 25 zlo zhi 1 atom types Atoms 1 1 2.227559 4.01627 2.660764 2 1 3.255764 2.75524 1.073576 3 1 4.163576 2.424155 2.934087 Masses 1 28.0855