Element #0
0: 10 16 11 20 0 21 13 18 14 1 2 3 4
Element #1
0: 11 17 12 21 5 22 14 19 15 6 7 8 9
========= Face restriction; marker: 4 ========
num_elem: 1, elem_size: 3, num_dof:  23
0: 13 20 10
========= Face restriction; marker: 2 ========
num_elem: 1, elem_size: 3, num_dof:  23
0: 12 22 15
========= Face restriction; marker: 1 ========
num_elem: 2, elem_size: 3, num_dof:  23
0: 10 16 11
0: 11 17 12
========= Face restriction; marker: 3 ========
num_elem: 2, elem_size: 3, num_dof:  23
0: 14 18 13
0: 15 19 14