Cluster test driver 4 atoms -25 25 xlo xhi -25 25 ylo yhi -25 25 zlo zhi 1 atom types Atoms 1 1 0.638444 0.1037795 1.566109 2 1 2.272296 0.01246402 2.947777 3 1 1.706904 2.720714 0.1698745 4 1 2.81231 2.888436 1.350646 Masses 1 28.0855