Cluster test driver 3 atoms -25 25 xlo xhi -25 25 ylo yhi -25 25 zlo zhi 1 atom types Atoms 1 1 1.773793 2.116678 2.01451 2 1 3.959907 1.254356 2.233015 3 1 3.731382 3.416915 1.70153 Masses 1 28.0855