d1gd7a_    d1gd7b_    d1gd7c_    d1gd7d_ 
d1gd7a_           0.0        0.0        0.0        0.0 
d1gd7b_           0.0        0.0        0.0        0.0 
d1gd7c_           0.0        0.0        0.0        0.0 
d1gd7d_           0.0        0.0        0.0        0.0