Cluster test driver 3 atoms -25 25 xlo xhi -25 25 ylo yhi -25 25 zlo zhi 1 atom types Atoms 1 1 0.3504681 0.3217806 1.067248 2 1 2.977592 0.6984716 1.201168 3 1 1.911922 2.961884 2.11855 Masses 1 28.0855