1st adaptation step:
576 nodes, 3361 edges, 5335 faces and 2549 elements
2nd adaptation step:
2020 nodes, 12 492 edges, 20 386 faces and 9913 elements
3rd adaptation step:
3875 nodes, 24 816 edges, 41 143 faces and 20 201 elements
4th adaptation step:
4110 nodes, 26 279 edges, 43 512 faces and 21 342 elements