sigma_xx sigma_yy sigma_zz sigma_xy sigma_yz sigma_xz
  0.1064  -0.2830  -0.7882   0.0420   0.0906  -0.1081
 -1.0001  -0.8427  -0.9412  -0.1866  -0.1611  -0.0062
 -0.7302  -0.2473  -0.4378  -0.1267   0.2794  -0.2186
 -0.4282   0.1788  -0.8452  -0.2615  -0.1979  -0.2585
  0.0727  -0.3839   0.4921   0.2838  -0.3881  -0.6872
  0.3263  -0.4098  -0.2101  -0.3076  -0.0610  -0.1889
  0.4230  -0.7995   0.1079  -0.0550   0.1768   0.3224
  0.2534   0.2581  -0.3769  -0.2165  -0.1601  -0.7462
 -1.4055  -1.0888  -0.9962   0.0736   0.1377   0.1314
 -0.4627  -1.4466  -1.3929  -0.1680  -0.1357  -0.0738
 -0.2346  -0.3052  -0.6996  -0.1011  -0.5710   0.3000
  0.2220  -0.1919  -0.5350  -0.0122   0.1485   0.4414
  0.1972   0.3941   0.0867   0.2508  -0.4885  -0.0898
  1.1892   0.1316   0.1324  -0.5866  -0.0548   0.2127
 -0.5934  -0.9542  -0.0976  -0.2407  -0.0407  -0.1064
 -0.3641  -0.7293  -0.9937   0.2161   0.4267   0.3072
 -0.3001  -1.3171  -0.0348   0.5117  -0.6810  -0.0472