Cluster test driver 4 atoms -25 25 xlo xhi -25 25 ylo yhi -25 25 zlo zhi 1 atom types Atoms 1 1 0.1498531 2.295874 1.182086 2 1 1.849777 0.5804615 0.1542641 3 1 1.535189 0.6237113 2.88489 4 1 1.602926 2.667876 2.381489 Masses 1 28.0855