matrix alpha
     137.2021     60.6572    148.2204    147.7027    -12.6093     90.9625
      60.6572    500.8828    366.9686    448.3021    287.4484    257.7019
     148.2204    366.9686    583.6553    659.6396    553.0109    612.6782
     147.7027    448.3021    659.6396    971.0058   1131.7703   1410.9384
     -12.6093    287.4484    553.0109   1131.7703   1911.5937   2409.3491
      90.9625    257.7019    612.6782   1410.9384   2409.3491   3341.0012
 vector beta
     -24.7629   -118.2998    -76.5074   -124.1268   -104.8776   -145.4019
 Chi-squared:    147.9271

 matrix alpha
     971.0058   1131.7703   1410.9384
    1131.7703   1911.5937   2409.3491
    1410.9384   2409.3491   3341.0012
 vector beta
    -124.1268   -104.8776   -145.4019
 Chi-squared:    147.9271