d1jjia_    d1jjib_    d1jjic_    d1jjid_ 
d1jjia_           0.0      138.0      156.0      138.0 
d1jjib_         138.0        0.0       78.0       92.0 
d1jjic_         156.0       78.0        0.0       70.0 
d1jjid_         138.0       92.0       70.0        0.0