1Element #0 20: 10 16 11 20 0 21 13 18 14 1 2 3 4 3Element #1 40: 11 17 12 21 5 22 14 19 15 6 7 8 9 5========= Face restriction; marker: 4 ======== 6num_elem: 1, elem_size: 3, num_dof: 23 70: 13 20 10 8========= Face restriction; marker: 2 ======== 9num_elem: 1, elem_size: 3, num_dof: 23 100: 12 22 15 11========= Face restriction; marker: 1 ======== 12num_elem: 2, elem_size: 3, num_dof: 23 130: 10 16 11 140: 11 17 12 15========= Face restriction; marker: 3 ======== 16num_elem: 2, elem_size: 3, num_dof: 23 170: 14 18 13 180: 15 19 14 19