1       1       1   0.790
       1       2       2   0.891
       1       3       3   0.864
       1       4       4   0.953
       2       1       2   0.981
       2       2       1   0.897
       2       3       4   0.906
       2       4       3   0.940
       3       1       4   0.964
       3       2       3   0.785
       3       3       2   0.904
       3       4       1   0.980
       4       1       3   1.153
       4       2       4   0.852
       4       3       1   0.936
       4       4       2   0.879