Cluster test driver 3 atoms -25 25 xlo xhi -25 25 ylo yhi -25 25 zlo zhi 1 atom types Atoms 1 1 0.7252086 2.552897 2.103736 2 1 2.233995 0.7543773 1.621303 3 1 2.802525 2.605839 1.06853 Masses 1 28.0855