Cluster test driver 3 atoms -25 25 xlo xhi -25 25 ylo yhi -25 25 zlo zhi 1 atom types Atoms 1 1 1.2347 1.096306 2.125943 2 1 0.74357 1.749225 0.3088427 3 1 2.831228 2.828577 2.049992 Masses 1 28.0855