Cluster test driver 3 atoms -25 25 xlo xhi -25 25 ylo yhi -25 25 zlo zhi 1 atom types Atoms 1 1 1.233904 0.1709027 2.232386 2 1 1.196749 2.887261 1.608459 3 1 2.856161 1.724072 1.276687 Masses 1 28.0855