Cluster test driver 3 atoms -25 25 xlo xhi -25 25 ylo yhi -25 25 zlo zhi 1 atom types Atoms 1 1 0.9325457 0.8627304 2.318578 2 1 0.6796957 2.260206 0.6525144 3 1 2.814913 2.122145 0.712584 Masses 1 28.0855