Cluster test driver 3 atoms -25 25 xlo xhi -25 25 ylo yhi -25 25 zlo zhi 1 atom types Atoms 1 1 1.880756 3.709385 1.897101 2 1 4.329745 2.468475 2.516423 3 1 4.086103 4.069847 0.5759124 Masses 1 28.0855