d1a99a_    d1a99b_    d1a99c_    d1a99d_ 
d1a99a_           0.0        0.0        0.0        0.0 
d1a99b_           0.0        0.0        0.0        0.0 
d1a99c_           0.0        0.0        0.0        0.0 
d1a99d_           0.0        0.0        0.0        0.0