--- /dev/null
+ %
+ % Problem dimension
+ %
+NDIME= 3
+ %
+ % Inner element connectivity
+NELEM= 10
+ 10 2 6 3 11 0
+ 10 6 7 3 11 1
+ 10 14 10 11 6 2
+ 10 14 11 15 6 3
+ 10 2 10 6 11 4
+ 10 6 15 7 11 5
+ 13 4 8 0 5 9 1 6
+ 13 12 8 4 13 9 5 7
+ 13 5 9 1 6 10 2 8
+ 13 13 9 5 14 10 6 9
+ %
+ % Node coordinates
+ %
+NPOIN= 16
+ 0.000000000000000E+00 0.000000000000000E+00 0.000000000000000E+00
+ 0.000000000000000E+00 0.000000000000000E+00 1.500000000000000E-01
+ 0.000000000000000E+00 0.000000000000000E+00 3.000000000000000E-01
+ 0.000000000000000E+00 0.000000000000000E+00 1.000000000000000E+00
+ 0.000000000000000E+00 1.000000000000000E+00 0.000000000000000E+00
+ 0.000000000000000E+00 1.000000000000000E+00 1.500000000000000E-01
+ 0.000000000000000E+00 1.000000000000000E+00 3.000000000000000E-01
+ 0.000000000000000E+00 1.000000000000000E+00 1.000000000000000E+00
+ 1.000000000000000E+00 0.000000000000000E+00 0.000000000000000E+00
+ 1.000000000000000E+00 0.000000000000000E+00 1.500000000000000E-01
+ 1.000000000000000E+00 0.000000000000000E+00 3.000000000000000E-01
+ 1.000000000000000E+00 0.000000000000000E+00 1.000000000000000E+00
+ 1.000000000000000E+00 1.000000000000000E+00 0.000000000000000E+00
+ 1.000000000000000E+00 1.000000000000000E+00 1.500000000000000E-01
+ 1.000000000000000E+00 1.000000000000000E+00 3.000000000000000E-01
+ 1.000000000000000E+00 1.000000000000000E+00 1.000000000000000E+00
+ %
+ % Boundary elements
+ %
+NMARK= 6
+MARKER_TAG= xmin
+MARKER_ELEMS= 4
+ 5 6 7 3
+ 5 6 3 2
+ 9 0 4 5 1
+ 9 1 5 6 2
+MARKER_TAG= xmax
+MARKER_ELEMS= 4
+ 5 14 10 11
+ 5 14 11 15
+ 9 12 8 9 13
+ 9 13 9 10 14
+MARKER_TAG= ymin
+MARKER_ELEMS= 4
+ 5 2 3 11
+ 5 2 11 10
+ 9 8 0 1 9
+ 9 9 1 2 10
+MARKER_TAG= ymax
+MARKER_ELEMS= 4
+ 5 6 14 15
+ 5 6 15 7
+ 9 4 12 13 5
+ 9 5 13 14 6
+MARKER_TAG= zmin
+MARKER_ELEMS= 2
+ 5 4 0 8
+ 5 4 8 12
+MARKER_TAG= zmax
+MARKER_ELEMS= 2
+ 5 7 15 11
+ 5 7 11 3