j j j h g- h-j h h g f- g g h g g f d- f d g f f d d-- j j j h g-h- j h h g f-g g h g g f d-f d g f f d d-- h h h g f-g g h g g f d-f d g f f d d-d- d d d d d-- h h h g f-g g h g g f d-f d g f f d d-d- d d d d d