Cluster test driver 4 atoms -25 25 xlo xhi -25 25 ylo yhi -25 25 zlo zhi 1 atom types Atoms 1 1 1.913189 1.366091 3.167853 2 1 2.518474 3.699619 3.287692 3 1 3.813972 1.741907 1.979119 4 1 3.987758 0.361815 3.756929 Masses 1 28.0855