6
   1.000   0.772   0.756   0.772   0.655   0.655
   0.772   1.000   0.612   0.667   0.707   0.707
   0.756   0.612   1.000   0.816   0.577   0.577
   0.772   0.667   0.816   1.000   0.471   0.471
   0.655   0.707   0.577   0.471   1.000   0.667
   0.655   0.707   0.577   0.471   0.667   1.000