Cluster test driver 4 atoms -25 25 xlo xhi -25 25 ylo yhi -25 25 zlo zhi 1 atom types Atoms 1 1 0.8764212 0.6829658 2.991801 2 1 1.423743 2.364194 1.921188 3 1 1.885936 0.1227635 0.8354287 4 1 2.636742 2.161593 0.6008948 Masses 1 28.0855