u - u - u - u - f - s-a p - u p a s p s f-g f - d - d - a-p O - O u O a O a d f g D - f---- i t y u uyuii ytyuu-u i t y u uyuii ytyuu-u i s d f fdfgd dsdfs - u - u - u - f - s-a p - u p a s p s f-g f - d---- l - k-j h-g d - k - j-h h - i s d f fdfgd dsdf s-f i s d f fdfgd dsdf s-f i j k l lklzk kjkl j - u-h l - l - l k j h f h k - k - j h f s d f j - h - h g f d s d f-h d-h f-h l-z x - x - x z l k h k z - z - z l k j f h l - l - l - z l z x-l h j k l z l J j H j-s s a s j-s s J j j-h G-h z-l J j H j-s s a s j-s s d f g-h j-j k j k l-z x - u - u - u - u - f - s-a p - u p a s p s f-g f - d - d - a-p O - O u O a O a d f g D - f - l - k-j h-g d - k - j-h h-f i s d f fdfgd dsdfs-f i s d f fdfgd dsdfs-f i j k l lklzk kjklj-f psfj