Cluster test driver 3 atoms -25 25 xlo xhi -25 25 ylo yhi -25 25 zlo zhi 1 atom types Atoms 1 1 2.406809 1.090775 3.454561 2 1 4.358754 0.952356 2.668187 3 1 3.671522 3.035353 2.826272 Masses 1 28.0855