d1hf8a2    d1hg5a2    d1hg2a2    d1hfaa2 
d1hf8a2           0.0        0.0        0.0        0.0 
d1hg5a2           0.0        0.0        0.0        0.0 
d1hg2a2           0.0        0.0        0.0        0.0 
d1hfaa2           0.0        0.0        0.0        0.0