*include, input=substr_multi_nodes.inp
*element,type=z1,elset=one,file=lib1
10001,5,15,13,3
*substructure property,elset=one
*element,type=z1,elset=two,file=lib1
10002,3,13,11,1
*substructure property,elset=two
0,1,0
************************
*STEP
*substructure generate, type=z2, overwrite,
recovery matrix=yes, mass matrix=yes,
libr=lib2
*RETAINED NODAL DOFS,sorted=no
5,1,2
15,1,2
11,1,2
1,1,2
*substructure matrix output, stiffness=yes, 
mass=yes, recovery=yes, file=LibMatrices2
*END STEP