Cluster test driver 4 atoms -25 25 xlo xhi -25 25 ylo yhi -25 25 zlo zhi 1 atom types Atoms 1 1 0.1763628 1.067324 0.504324 2 1 1.023581 1.365666 2.808087 3 1 2.247701 2.342025 0.8069591 4 1 2.593324 2.758014 2.891704 Masses 1 28.0855