Cluster test driver 4 atoms -25 25 xlo xhi -25 25 ylo yhi -25 25 zlo zhi 1 atom types Atoms 1 1 2.467571 3.281377 3.110997 2 1 5.173864 0.7299006 2.779254 3 1 3.33415 1.630232 1.910302 4 1 4.266226 2.432899 3.50232 Masses 1 28.0855