d1a0ca_    d1a0cb_    d1a0cc_    d1a0cd_ 
d1a0ca_           0.0        0.0        0.0        0.0 
d1a0cb_           0.0        0.0        0.0        0.0 
d1a0cc_           0.0        0.0        0.0        0.0 
d1a0cd_           0.0        0.0        0.0        0.0