s d f-h-h f d-h-f d f-s f d s d f g f d- f-h-h f d h h-f d s - f d d f--s d f-h-h f d-h-f d f-s f d s d f g f d- f-h-h f d h h-f d s f g d d d f--j k l-h-j h f h h-j k l - h g d f--j k l-h-j h f-s-j h f - s d s s--j k l-h-j h f h h-j k l - h g d f--j k l-h-j h f-s-j h f - s d s s--l k j-f-l k h-f-l k j k j h f d f-h-l k j-f-l k h-f-f d s - f d a f--l k j-f-l k h-f-l k j k j h f d f-h-l k j-f-l k h-f-f d s f g d d d f