Cluster test driver 3 atoms -25 25 xlo xhi -25 25 ylo yhi -25 25 zlo zhi 1 atom types Atoms 1 1 3.842433 0.6456765 1.81029 2 1 4.879847 2.964145 2.798633 3 1 3.577267 1.18032 4.236398 Masses 1 28.0855