d1ub7a1    d1ub7a2    d1ub7b1    d1ub7b2    d1ub7c1    d1ub7c2    d1ub7d1    d1ub7d2 
d1ub7a1           0.0     1287.9        0.0     1286.3        2.0     1286.1        8.0     1286.3 
d1ub7a2        1287.9        0.0     1289.1        8.0     1290.3        6.0     1288.3        6.0 
d1ub7b1           0.0     1289.1        0.0     1287.5        0.0     1287.3       14.0     1287.5 
d1ub7b2        1286.3        8.0     1287.5        0.0     1288.7        6.0     1286.7        0.0 
d1ub7c1           2.0     1290.3        0.0     1288.7        0.0     1288.5        2.0     1288.7 
d1ub7c2        1286.1        6.0     1287.3        6.0     1288.5        0.0     1286.5        8.0 
d1ub7d1           8.0     1288.3       14.0     1286.7        2.0     1286.5        0.0     1286.7 
d1ub7d2        1286.3        6.0     1287.5        0.0     1288.7        8.0     1286.7        0.0