Cluster test driver 4 atoms -25 25 xlo xhi -25 25 ylo yhi -25 25 zlo zhi 1 atom types Atoms 1 1 1.535194 1.575745 0.9575201 2 1 2.876418 2.846256 2.072388 3 1 1.405579 4.031525 1.011343 4 1 3.667512 4.896193 0.8880135 Masses 1 28.0855