Cluster test driver 4 atoms -25 25 xlo xhi -25 25 ylo yhi -25 25 zlo zhi 1 atom types Atoms 1 1 1.054063 0.143936 1.020128 2 1 0.3465957 1.342343 2.730037 3 1 0.4577023 2.369538 0.7306134 4 1 2.27069 2.392327 1.674561 Masses 1 28.0855