2.50604   0.72271   1.02021  -0.06063   0.02280   0.04909
   0.72270   4.13834   1.18521   0.02452  -0.04547  -0.27691
   1.02019   1.18524   9.51182  -0.26074  -0.05631  -0.18540
  -0.06062   0.02452  -0.26073   0.04789   0.00001   0.00625
   0.02280  -0.04547  -0.05631   0.00001   0.02596   0.00640
   0.04910  -0.27691  -0.18539   0.00625   0.00640   0.05755