     7
     1     1     2    +0.0000000E+000
     1     2     2    +0.0000000E+000
     2     1     2    +0.0000000E+000
     2     2     2    +0.0000000E+000
     3     1     2    +0.0000000E+000
     3     2     2    +0.0000000E+000
    15     2     1    -5.0000000E+002
