Cluster test driver 4 atoms -25 25 xlo xhi -25 25 ylo yhi -25 25 zlo zhi 1 atom types Atoms 1 1 2.708012 2.8979 0.1426542 2 1 2.668399 4.443205 1.855685 3 1 4.1657 2.855247 1.706192 4 1 4.969554 4.688001 2.140644 Masses 1 28.0855