Cluster test driver 4 atoms -25 25 xlo xhi -25 25 ylo yhi -25 25 zlo zhi 1 atom types Atoms 1 1 2.552366 2.790577 1.400768 2 1 4.832027 4.629643 2.441187 3 1 3.731481 4.141612 0.1894686 4 1 3.770236 3.222941 3.734361 Masses 1 28.0855