Cluster test driver 4 atoms -25 25 xlo xhi -25 25 ylo yhi -25 25 zlo zhi 1 atom types Atoms 1 1 1.326982 2.931831 2.8356 2 1 2.985473 5.271512 2.625627 3 1 3.36135 3.068834 4.126187 4 1 5.058565 5.017036 3.466471 Masses 1 28.0855