matrix alpha
    137.2021     60.6572    148.2204    147.7027    -12.6093     90.9625
     60.6572    500.8828    366.9687    448.3022    287.4484    257.7019
    148.2204    366.9687    583.6553    659.6396    553.0108    612.6780
    147.7027    448.3022    659.6396    971.0058   1131.7700   1410.9381
    -12.6093    287.4484    553.0108   1131.7700   1911.5935   2409.3484
     90.9625    257.7019    612.6780   1410.9381   2409.3484   3341.0002
vector beta
    -24.7629   -118.2998    -76.5073   -124.1267   -104.8774   -145.4017
chi-squared:     147.9271

matrix alpha
    971.0058   1131.7700   1410.9381
   1131.7700   1911.5935   2409.3484
   1410.9381   2409.3484   3341.0002
vector beta
   -124.1267   -104.8774   -145.4017
chi-squared:     147.9271