sigma_xx sigma_yy sigma_zz sigma_xy sigma_yz sigma_xz
 -0.2779   0.1045  -0.4671   0.0126  -0.1985  -0.1211
 -1.0258  -0.5995  -1.2542   0.5547  -0.0613  -0.3025
  0.1115  -0.6585  -0.1291  -0.6021  -0.1076  -0.1006
  0.5477   0.6504   0.1543  -0.3741   0.1589  -0.5742
 -0.7900   0.2850  -0.0339  -0.0880  -0.0245  -0.4403
  0.0138   0.5454   0.0908  -0.1448   0.2423   0.1666
 -0.5614  -0.5104  -0.6485   0.3948  -0.0364  -0.3864
  0.0808  -1.1238  -0.7591   0.4816   0.2043   0.5348
  0.0993   0.5669  -0.2365   0.0491  -0.5625  -0.2839
 -0.2224  -0.2735  -0.1283  -0.0546  -0.2101   0.2961
 -0.0156   0.3654  -0.6813  -0.2636  -0.1410   0.2644
 -1.5266  -0.6843  -0.3865   0.0091   0.2278  -0.2341
 -0.4376   0.0023   0.7365   0.0874  -0.6355   0.2586
 -1.3403  -0.0459  -0.5690  -0.1389   0.1960  -0.4685
 -0.3740  -1.9134  -1.0160  -0.0469   0.6145  -0.2865
 -0.1678  -1.0377  -0.6761  -0.4425   0.3656   0.0657
  0.5550   0.6214   0.5348  -0.4046  -0.4184  -0.3509