demo1.dat

 0.0000000e+00   3.8941834e-01   7.1735609e-01   9.3203909e-01   9.9957360e-01   9.0929743e-01   6.7546318e-01  .3498815e-01  -5.8374143e-02  -4.4252044e-01  -7.5680250e-01
 3.8941834e-01   5.3599459e-01   7.7985065e-01   9.5358074e-01   9.9692470e-01   8.9210592e-01   6.5068611e-01   3.0807174e-01  -8.3214108e-02  -4.6227706e-01  -7.6969138e-01
 7.1735609e-01   7.7985065e-01   9.0499623e-01   9.9174551e-01   9.7631940e-01   8.3466637e-01   5.7431777e-01   2.2753808e-01  -1.5624899e-01  -5.1946534e-01  -8.0615387e-01
 9.3203909e-01   9.5358074e-01   9.9174551e-01   9.9203980e-01   9.0929743e-01   7.2374355e-01   4.4243411e-01   9.5139298e-02  -2.7251774e-01  -6.0768355e-01  -8.5962229e-01
 9.9957360e-01   9.9692470e-01   9.7631940e-01   9.0929743e-01   7.7000625e-01   5.4831078e-01   2.5432688e-01  -8.3214108e-02  -4.2242231e-01  -7.1592666e-01  -9.1939485e-01
 9.0929743e-01   8.9210592e-01   8.3466637e-01   7.2374355e-01   5.4831078e-01   3.0807174e-01   1.7491891e-02  -2.9488719e-01  -5.9075947e-01  -8.2863195e-01  -9.7127780e-01
 6.7546318e-01   6.5068611e-01   5.7431777e-01   4.4243411e-01   2.5432688e-01   1.7491891e-02  -2.4984473e-01  -5.1946534e-01  -7.5680250e-01  -9.2652499e-01  -9.9886603e-01
 3.3498815e-01   3.0807174e-01   2.2753808e-01   9.5139298e-02  -8.3214108e-02  -2.9488719e-01  -5.1946534e-01  -7.2992028e-01  -8.9590565e-01  -9.8851753e-01  -9.8554528e-01
-5.8374143e-02  -8.3214108e-02  -1.5624899e-01  -2.7251774e-01  -4.2242231e-01  -5.9075947e-01  -7.5680250e-01  -8.9590565e-01  -9.8258394e-01  -9.9457101e-01  -9.1707681e-01
-4.4252044e-01  -4.6227706e-01  -5.1946534e-01  -6.0768355e-01  -7.1592666e-01  -8.2863195e-01  -9.2652499e-01  -9.8851753e-01  -9.9457101e-01  -9.2911652e-01  -7.8440465e-01
-7.5680250e-01  -7.6969138e-01  -8.0615387e-01  -8.5962229e-01  -9.1939485e-01  -9.7127780e-01  -9.9886603e-01  -9.8554528e-01  -9.1707681e-01  -7.8440465e-01  -5.8617619e-01