Cluster test driver 4 atoms -25 25 xlo xhi -25 25 ylo yhi -25 25 zlo zhi 1 atom types Atoms 1 1 0.2595242 1.467185 0.6325512 2 1 0.7762734 2.414106 2.857942 3 1 1.90158 2.371501 0.3612318 4 1 2.983554 1.635129 1.622966 Masses 1 28.0855