Element #0
0: 4 8 9 5 12 0 1 14 13 2 3 15 6 10 11 7
========= Face restriction; marker: 4 ========
num_elem: 1, elem_size: 4, num_dof:  16
0: 6 13 12 4
========= Face restriction; marker: 2 ========
num_elem: 1, elem_size: 4, num_dof:  16
0: 5 14 15 7
========= Face restriction; marker: 1 ========
num_elem: 1, elem_size: 4, num_dof:  16
0: 4 8 9 5
========= Face restriction; marker: 3 ========
num_elem: 1, elem_size: 4, num_dof:  16
0: 7 11 10 6