p o u o o h f d s d f s p o u o o s u y u y y-o o u o o h f d s d f s p o u o f h f s s s s- p o u o o h f d s d f s p o u o o s u y u y y-o o u o o h f d s d f s p o u o f h f s s s s- fg f h f f h f j g j j g j h f h h g f d f d d-fg h - f - d s d f s p o u o f h f s d s s- fg f h f f h f j g j j g j h f h h g f d f d d-fg h - f - d s d f s p o u o f h f s d s s