Cluster test driver 3 atoms -25 25 xlo xhi -25 25 ylo yhi -25 25 zlo zhi 1 atom types Atoms 1 1 2.799426 2.62526 2.056934 2 1 2.71769 2.707942 4.283304 3 1 4.785344 1.977991 3.919732 Masses 1 28.0855