basename   refine_factor          points           cells
        naca0012_tunnel_v4_thex-1.0            1.00         1280244         3088309
        naca0012_tunnel_v4_thex-1.5            1.50         3346751         8197235
        naca0012_tunnel_v4_thex-2.0            2.00         6843326        17109253
        naca0012_tunnel_v4_thex-3.0            3.00        19533329        50716451
        naca0012_tunnel_v4_thex-4.0            4.00        42271557       112864684
        naca0012_tunnel_v4_thex-5.0            5.00        77976476       212065823
        naca0012_tunnel_v4_thex-6.0            6.00       129273926       356962221