Element #0
0: 0 1 2 3 4 5 6 7
========= Face restriction; marker: 6 ========
num_elem: 1, elem_size: 4, num_dof:  8
0: 0 4 2 6
========= Face restriction; marker: 5 ========
num_elem: 1, elem_size: 4, num_dof:  8
0: 1 3 5 7
========= Face restriction; marker: 3 ========
num_elem: 1, elem_size: 4, num_dof:  8
0: 0 1 4 5
========= Face restriction; marker: 4 ========
num_elem: 1, elem_size: 4, num_dof:  8
0: 2 6 3 7
========= Face restriction; marker: 1 ========
num_elem: 1, elem_size: 4, num_dof:  8
0: 0 2 1 3
========= Face restriction; marker: 2 ========
num_elem: 1, elem_size: 4, num_dof:  8
0: 4 5 6 7