Cluster test driver 4 atoms -25 25 xlo xhi -25 25 ylo yhi -25 25 zlo zhi 1 atom types Atoms 1 1 2.547532 0.9914533 2.169736 2 1 2.433953 3.810777 0.6376352 3 1 4.15783 2.500249 0.4507445 4 1 3.184718 3.195123 2.789469 Masses 1 28.0855