sigma_xx sigma_yy sigma_zz sigma_xy sigma_yz sigma_xz
 -0.2228  -0.0525  -0.9296   0.0745  -0.2632   0.2646
 -0.3818  -0.3738   0.2072   0.0589   0.3122   0.0969
  0.0467   0.7398   0.9358  -0.7043  -0.7621  -0.0977
 -0.3279  -0.8014  -0.4293   0.2712  -0.4377   0.6608
 -0.4427   0.6311  -0.3663  -0.0832   0.0162   0.1309
 -0.5570  -0.0935  -0.7685  -0.2245   0.5929   0.2368
  0.3414  -0.0136   0.8310  -0.4795   0.2432   0.0745
 -0.8262  -0.4563  -0.5932  -0.0883   0.0608  -0.1714
  0.0754  -0.5905  -0.4600   0.0561  -0.2398  -0.1666
  0.0946  -0.0883   0.2179  -0.3080  -0.5364   0.6212
  0.4159   0.9153   0.1784  -0.5368  -0.7825   0.1990
  0.2019   0.5720  -0.4983  -0.0639  -0.0371   0.0315
 -0.9596  -0.6091  -0.6542  -0.0660  -0.0231   0.7138
  1.1465  -0.1259   0.1826   0.2085   0.2419  -0.0946
  1.0240  -0.1358   0.6347   0.2449   0.3024   0.2737
 -0.0102  -1.1650   0.1776   0.0817   0.3509  -0.4892
 -0.6394   0.1025   0.4451   0.6019   0.0672  -0.3889