Cluster test driver 3 atoms -25 25 xlo xhi -25 25 ylo yhi -25 25 zlo zhi 1 atom types Atoms 1 1 0.5238256 0.2657078 1.323619 2 1 0.250812 2.60407 0.03529652 3 1 1.332763 2.055773 1.933862 Masses 1 28.0855