Cluster test driver 4 atoms -25 25 xlo xhi -25 25 ylo yhi -25 25 zlo zhi 1 atom types Atoms 1 1 1.6079 1.726733 2.75301 2 1 2.002918 3.986459 1.396167 3 1 4.133267 4.619556 1.499098 4 1 3.466505 3.469363 3.287809 Masses 1 28.0855