This representation
allows visualization of higher-dimensional Gaussians

 K = 1.000001  0.882497  0.606531  0.324652  0.135335  0.043937
     0.882497  1.000001  0.882497  0.606531  0.324652  0.135335
     0.606531  0.882497  1.000001  0.882497  0.606531  0.324652
     0.324652  0.606531  0.882497  1.000001  0.882497  0.606531
     0.135335  0.324652  0.606531  0.882497  1.000001  0.882497
     0.043937  0.135335  0.324652  0.606531  0.882497  1.000001