Cluster test driver 3 atoms -25 25 xlo xhi -25 25 ylo yhi -25 25 zlo zhi 1 atom types Atoms 1 1 2.805138 2.994517 1.482779 2 1 2.166099 5.045186 1.887466 3 1 2.531304 3.64331 4.051224 Masses 1 28.0855