Cluster test driver 3 atoms -25 25 xlo xhi -25 25 ylo yhi -25 25 zlo zhi 1 atom types Atoms 1 1 2.520785 2.346087 2.875914 2 1 4.378163 0.840117 1.753079 3 1 4.711431 3.184804 2.817306 Masses 1 28.0855