d1bcca1    d1bcca2    d2bcca1    d2bcca2    d3bcca1    d3bcca2 
d1bcca1           0.0     1802.0        6.0     1810.6        0.0     1816.0 
d1bcca2        1802.0        0.0     1818.0        2.0     1818.8        0.0 
d2bcca1           6.0     1818.0        0.0     1826.6        0.0     1832.0 
d2bcca2        1810.6        2.0     1826.6        0.0     1827.4        0.0 
d3bcca1           0.0     1818.8        0.0     1827.4        0.0     1832.8 
d3bcca2        1816.0        0.0     1832.0        0.0     1832.8        0.0