d1dfca1    d1dfca2    d1dfca3    d1dfca4    d1dfcb1    d1dfcb2    d1dfcb3    d1dfcb4 
d1dfca1           0.0      997.4      986.1      937.4        0.0      998.0      978.2      936.6 
d1dfca2         997.4        0.0      981.7      933.0      998.4        0.0      973.8      932.2 
d1dfca3         986.1      981.7        0.0      921.7      987.1      982.3        6.7      920.9 
d1dfca4         937.4      933.0      921.7        0.0      938.4      933.6      913.8       98.0 
d1dfcb1           0.0      998.4      987.1      938.4        0.0      999.0      979.2      937.6 
d1dfcb2         998.0        0.0      982.3      933.6      999.0        0.0      974.4      932.8 
d1dfcb3         978.2      973.8        6.7      913.8      979.2      974.4        0.0      913.0 
d1dfcb4         936.6      932.2      920.9       98.0      937.6      932.8      913.0        0.0