1Element #0 20: 8 9 11 12 0 1 2 3 3Element #1 40: 9 10 12 13 4 5 6 7 5========= Face restriction; marker: 4 ======== 6num_elem: 1, elem_size: 2, num_dof: 14 70: 11 8 8========= Face restriction; marker: 2 ======== 9num_elem: 1, elem_size: 2, num_dof: 14 100: 10 13 11========= Face restriction; marker: 1 ======== 12num_elem: 2, elem_size: 2, num_dof: 14 130: 8 9 140: 9 10 15========= Face restriction; marker: 3 ======== 16num_elem: 2, elem_size: 2, num_dof: 14 170: 12 11 180: 13 12 19