Cluster test driver 4 atoms -25 25 xlo xhi -25 25 ylo yhi -25 25 zlo zhi 1 atom types Atoms 1 1 5.517305 2.823831 2.520754 2 1 3.206819 2.056835 2.580452 3 1 4.931014 5.152147 1.608787 4 1 3.498861 3.411494 1.086096 Masses 1 28.0855