Cluster test driver 4 atoms -25 25 xlo xhi -25 25 ylo yhi -25 25 zlo zhi 1 atom types Atoms 1 1 0.02995837 0.6173503 0.5342358 2 1 0.7975385 2.616511 1.362514 3 1 1.80202 0.5667157 2.620782 4 1 2.455492 1.646275 1.01187 Masses 1 28.0855