Cluster test driver 4 atoms -25 25 xlo xhi -25 25 ylo yhi -25 25 zlo zhi 1 atom types Atoms 1 1 1.889016 4.339495 1.275975 2 1 2.554838 3.101562 2.999193 3 1 4.055705 3.657127 1.332404 4 1 4.476672 4.505138 3.486766 Masses 1 28.0855