Cluster test driver 3 atoms -25 25 xlo xhi -25 25 ylo yhi -25 25 zlo zhi 1 atom types Atoms 1 1 2.018226 2.943851 0.4027437 2 1 2.967706 4.460576 1.780134 3 1 4.184017 2.931523 0.7103488 Masses 1 28.0855