d1u55a_    d1u55b_    d1u56a_    d1u56b_    d1u4ha_    d1u4hb_    d1xbna_ 
d1u55a_           0.0      491.3       68.0      481.3      349.8      268.6     1178.5 
d1u55b_         491.3        0.0      473.3       17.6      385.3      389.7     1115.4 
d1u56a_          68.0      473.3        0.0      451.3      348.0      270.8     1210.5 
d1u56b_         481.3       17.6      451.3        0.0      369.9      396.5     1106.6 
d1u4ha_         349.8      385.3      348.0      369.9        0.0       88.0     1226.7 
d1u4hb_         268.6      389.7      270.8      396.5       88.0        0.0     1219.5 
d1xbna_        1178.5     1115.4     1210.5     1106.6     1226.7     1219.5        0.0