d1vhca_    d1vhcb_    d1vhcc_    d1vhcd_    d1vhce_    d1vhcf_ 
d1vhca_           0.0        0.0        0.0        0.0        0.0        4.9 
d1vhcb_           0.0        0.0        4.0        0.0       16.0        8.9 
d1vhcc_           0.0        4.0        0.0        0.0        0.0        4.9 
d1vhcd_           0.0        0.0        0.0        0.0        4.0        4.9 
d1vhce_           0.0       16.0        0.0        4.0        0.0        4.9 
d1vhcf_           4.9        8.9        4.9        4.9        4.9        0.0