Cluster test driver 4 atoms -25 25 xlo xhi -25 25 ylo yhi -25 25 zlo zhi 1 atom types Atoms 1 1 2.981879 2.471572 0.8262208 2 1 2.281655 4.554051 1.863523 3 1 5.076588 2.879909 1.611357 4 1 3.102869 3.020322 3.30467 Masses 1 28.0855