Cluster test driver 3 atoms -25 25 xlo xhi -25 25 ylo yhi -25 25 zlo zhi 1 atom types Atoms 1 1 0.2208689 0.1767832 2.387059 2 1 0.2046004 2.37821 1.718625 3 1 2.13083 1.312745 1.65019 Masses 1 28.0855