Cluster test driver 4 atoms -25 25 xlo xhi -25 25 ylo yhi -25 25 zlo zhi 1 atom types Atoms 1 1 1.051005 1.466214 2.567615 2 1 0.3372835 2.721373 0.2523551 3 1 2.822669 2.541764 0.4147021 4 1 2.595922 2.673872 2.566842 Masses 1 28.0855