Cluster test driver 4 atoms -25 25 xlo xhi -25 25 ylo yhi -25 25 zlo zhi 1 atom types Atoms 1 1 1.616061 2.621535 1.403689 2 1 0.7250895000000001 5.039665 2.091083 3 1 2.961807 4.812326 1.76803 4 1 3.86556 2.819524 0.04403652 Masses 1 28.0855