Element #0
0: 4 10 5 14 0 15 7 12 8 1
Element #1
0: 5 11 6 15 2 16 8 13 9 3
========= Face restriction; marker: 4 ========
num_elem: 1, elem_size: 3, num_dof:  17
0: 7 14 4
========= Face restriction; marker: 2 ========
num_elem: 1, elem_size: 3, num_dof:  17
0: 6 16 9
========= Face restriction; marker: 1 ========
num_elem: 2, elem_size: 3, num_dof:  17
0: 4 10 5
0: 5 11 6
========= Face restriction; marker: 3 ========
num_elem: 2, elem_size: 3, num_dof:  17
0: 8 12 7
0: 9 13 8