Cluster test driver 4 atoms -25 25 xlo xhi -25 25 ylo yhi -25 25 zlo zhi 1 atom types Atoms 1 1 2.292151 1.45413 2.80857 2 1 4.176259 2.493047 1.980768 3 1 5.406706 4.273706 3.138011 4 1 3.209339 3.672476 3.364078 Masses 1 28.0855