Cluster test driver 3 atoms -25 25 xlo xhi -25 25 ylo yhi -25 25 zlo zhi 1 atom types Atoms 1 1 2.027774 0.9499662 1.173504 2 1 2.431627 0.2783967 2.720162 3 1 2.540335 2.619859 0.5857874 Masses 1 28.0855