Cluster test driver 3 atoms -25 25 xlo xhi -25 25 ylo yhi -25 25 zlo zhi 1 atom types Atoms 1 1 1.395618 2.319483 2.813275 2 1 2.727647 0.1511659 3.295384 3 1 3.557519 2.709027 2.726057 Masses 1 28.0855