     2     5     4    15     0     
     1  3  +0.00000E+000  +0.00000E+000  +0.00000E+000   Knoten #1
     2  3  +2.50000E+002  +0.00000E+000  +0.00000E+000   Knoten #2
     3  3  +5.00000E+002  +0.00000E+000  +0.00000E+000   Knoten #3
     4  3  +7.50000E+002  +0.00000E+000  +0.00000E+000   Knoten #4
     5  3  +1.00000E+003  +0.00000E+000  +0.00000E+000   Knoten #5
     1    13   element #1
     1     2
     2    13   element #2
     2     3
     3    13   element #3
     3     4
     4    13   element #4
     4     5
