$hessian                                                                        
        0.5910573072  -0.0000000004  -0.0000066107  -0.3440285405   0.0000018065
        0.1530922298  -0.1235130504   0.1273065864  -0.0765423377  -0.1235157164
       -0.1273083924  -0.0765432814
       -0.0000000004   0.5910595190  -0.0000006528   0.0000017213  -0.0500197085
       -0.0000008407   0.1273054503  -0.2705208500   0.1325802059  -0.1273071712
       -0.2705189605  -0.1325787123
       -0.0000066107  -0.0000006528   0.2175728643   0.1043283851  -0.0000005849
       -0.0725265612  -0.0521606360   0.0903491129  -0.0725235409  -0.0521611384
       -0.0903478752  -0.0725227622
       -0.3440285405   0.0000017213   0.1043283851   0.3869280285  -0.0000019591
       -0.1238838656  -0.0214495675   0.0013516153   0.0097776791  -0.0214499205
       -0.0013513776   0.0097778014
        0.0000018065  -0.0500197085  -0.0000005849  -0.0000019591   0.0540126161
        0.0000006655   0.0323368887  -0.0019966447  -0.0112200184  -0.0323367361
       -0.0019962629   0.0112199377
        0.1530922298  -0.0000008407  -0.0725265612  -0.1238838656   0.0000006655
        0.0638281965  -0.0146042237   0.0028575495   0.0043491970  -0.0146041405
       -0.0028573743   0.0043491677
       -0.1235130504   0.1273054503  -0.0521606360  -0.0214495675   0.0323368887
       -0.0146042237   0.1372353213  -0.1441500750   0.0619379355   0.0077272966
       -0.0154922640   0.0048269243
        0.1273065864  -0.2705208500   0.0903491129   0.0013516153  -0.0019966447
        0.0028575495  -0.1441500750   0.3036944280  -0.1072834617   0.0154918733
       -0.0311769334   0.0140767993
       -0.0765423377   0.1325802059  -0.0725235409   0.0097776791  -0.0112200184
        0.0043491970   0.0619379355  -0.1072834617   0.0638260107   0.0048267231
       -0.0140767257   0.0043483332
       -0.1235157164  -0.1273071712  -0.0521611384  -0.0214499205  -0.0323367361
       -0.0146041405   0.0077272966   0.0154918733   0.0048267231   0.1372383403
        0.1441520340   0.0619385558
       -0.1273083924  -0.2705189605  -0.0903478752  -0.0013513776  -0.0019962629
       -0.0028573743  -0.0154922640  -0.0311769334  -0.0140767257   0.1441520340
        0.3036921568   0.1072819753
       -0.0765432814  -0.1325787123  -0.0725227622   0.0097778014   0.0112199377
        0.0043491677   0.0048269243   0.0140767993   0.0043483332   0.0619385558
        0.1072819753   0.0638252613
