Cluster test driver 4 atoms -25 25 xlo xhi -25 25 ylo yhi -25 25 zlo zhi 1 atom types Atoms 1 1 1.299519 0.8363075 0.3656518 2 1 0.1388004 1.310608 2.543583 3 1 0.8406591 2.801966 0.8996873 4 1 2.394112 2.39126 2.522551 Masses 1 28.0855