   mesh
   brick
    numz 1
      zblock 1 10.0 interval 6
    numx 3 initial radius 10.
      xblock 1 2. interval 12
      xblock 2 5. interval 6
      xblock 3 5. interval 12
    numy 2
      yblock 1 18. interval 18
      yblock 2 18. interval 18
    end
$    set assign
$      block nodeset, jlo, 1 1
$      block nodeset, jlo, 2 2
$      block sideset, jlo, 1 1
$      block sideset, jlo, 2 2
$    end
    topology modification
    suppress block, 1
    suppress block, 2
    suppress block, 6
    end
    decomposition strategy
      sequential
    end

  end

