Cluster test driver 4 atoms -25 25 xlo xhi -25 25 ylo yhi -25 25 zlo zhi 1 atom types Atoms 1 1 1.063467 2.922897 1.747229 2 1 2.638051 1.139064 1.252514 3 1 1.261727 4.223032 3.925248 4 1 3.105304 3.068029 2.599226 Masses 1 28.0855