d1u46a_    d1u46b_    d1u4da_    d1u4db_    d1u54a_    d1u54b_ 
d1u46a_           0.0      175.6      180.9      196.9      189.8      250.6 
d1u46b_         175.6        0.0      293.1       65.7      381.2      237.0 
d1u4da_         180.9      293.1        0.0      260.8      268.5      346.9 
d1u4db_         196.9       65.7      260.8        0.0      407.1      269.5 
d1u54a_         189.8      381.2      268.5      407.1        0.0      235.6 
d1u54b_         250.6      237.0      346.9      269.5      235.6        0.0