Cluster test driver 4 atoms -25 25 xlo xhi -25 25 ylo yhi -25 25 zlo zhi 1 atom types Atoms 1 1 1.202318 1.231726 2.757655 2 1 0.8396636 2.003193 0.09633586 3 1 2.588342 1.167443 0.9025235 4 1 2.880528 2.949579 2.371797 Masses 1 28.0855