s-f s h s f s d f f d f g f d s-f s h s f s d-d s d g f d s-f s h s f s d f f d f - h j - k j h j k l j h f d s p a s-f s h s f s d f f d f g f d s-f s h s f s d-d s d g f d s-f s h s f s d f f d f - h j - k j h j k l j h f d s p a s-l k j k l j h f f d f g f d s-l k j k l j z-z x z l j k l - k j k l j h f f d f - h j - k j h j k l j h f d s p a s-l k j k l j h f f d f g f d s-l k j k l j z-z x z l j k l - k j k l j h f f d f - h j - k j h j k l j h f d s p a