d1b66a_    d1b66b_    d1b6za_    d1b6zb_    d1gtqa_    d1gtqb_ 
d1b66a_           0.0        0.0        0.0        4.0        0.0        0.0 
d1b66b_           0.0        0.0        0.0        0.0        0.0        0.0 
d1b6za_           0.0        0.0        0.0        4.0        0.0        0.0 
d1b6zb_           4.0        0.0        4.0        0.0        6.0        2.0 
d1gtqa_           0.0        0.0        0.0        6.0        0.0        0.0 
d1gtqb_           0.0        0.0        0.0        2.0        0.0        0.0