Cluster test driver 3 atoms -25 25 xlo xhi -25 25 ylo yhi -25 25 zlo zhi 1 atom types Atoms 1 1 2.29418 2.835524 0.8522963 2 1 2.737779 5.071573 0.7451378 3 1 4.242125 3.842992 1.919436 Masses 1 28.0855