d1r29a_    d1r28a_    d1r28b_    d1r2ba_    d1r2bb_ 
d1r29a_           0.0       30.0      100.0      101.7      112.9 
d1r28a_          30.0        0.0       42.0      125.7      152.9 
d1r28b_         100.0       42.0        0.0      119.7      136.9 
d1r2ba_         101.7      125.7      119.7        0.0        2.8 
d1r2bb_         112.9      152.9      136.9        2.8        0.0