Cluster test driver 3 atoms -25 25 xlo xhi -25 25 ylo yhi -25 25 zlo zhi 1 atom types Atoms 1 1 1.387388 0.315508 0.1804685 2 1 1.156858 2.562109 0.9700713 3 1 0.6212969 1.982953 2.035526 Masses 1 28.0855