No._material_props:    3
    Shear_modulus:   10.
    Poissons_ratio:  0.3
    Plane_strain/stress: 1
No._coords_per_node:   2
No._DOF_per_node:      2
No._nodes:             15
Nodal_coords:
    0.0   0.0
    1.0   0.0
    2.0   0.0
    3.0   0.0
    4.0   0.0
    0.0   1.0
    1.0   1.0
    2.0   1.0
    3.0   1.0
    4.0   1.0
    0.0   2.0
    1.0   2.0
    2.0   2.0
    3.0   2.0
    4.0   2.0
No._elements:                       8
Max_no._nodes_on_any_one_element:   4
element_identifier; no._nodes_on_element; connectivity:
    1   4   1 2 7 6
    1   4   2 3 8 7
    1   4   3 4 9 8
    1   4   4 5 10 9
    1   4   6 7 12 11
    1   4   7 8 13 12
    1   4   8 9 14 13
    1   4   9 10 15 14
No._nodes_with_prescribed_DOFs:  4 
Node_#, DOF#, Value:
   1  1  0.0 
   1  2  0.0 
   6  1  0.0 
   11  1  0.0 
No._elements_with_prescribed_loads: 2
Element_#, Face_#, Traction_components
  4 2 1.0 0.0
  8 2 1.0 0.0