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