Cluster test driver 4 atoms -25 25 xlo xhi -25 25 ylo yhi -25 25 zlo zhi 1 atom types Atoms 1 1 0.8887212 0.9857445 0.362207 2 1 0.196167 2.566133 1.562238 3 1 2.986715 0.6449953 0.509244 4 1 2.066827 2.919056 0.7710198 Masses 1 28.0855