Cluster test driver 3 atoms -25 25 xlo xhi -25 25 ylo yhi -25 25 zlo zhi 1 atom types Atoms 1 1 5.47094 1.551223 1.287271 2 1 3.142611 2.216453 1.324798 3 1 4.413548 3.89719 0.6460257 Masses 1 28.0855