Cluster test driver 3 atoms -25 25 xlo xhi -25 25 ylo yhi -25 25 zlo zhi 1 atom types Atoms 1 1 2.909662 3.931489 1.172411 2 1 4.639388 2.276208 2.094989 3 1 4.568804 4.774154 2.179404 Masses 1 28.0855