6 0 e u u e 0 6 6 0 e u u e 0 6 6 0 e u u e 0 6 6 0 e u u e 0 6 6----u [6p] p o o u-- 6---u u [6p] p o o u - t [5y]---- y y [9i] i u u y - e [4t] t r r e-- 6---- 6 0 e u u e 0 6 6 0 e u u e 0 6 5 9 w y y w 9 5 5 9 w y y w 9 5 2 6 9 e e 9 6 2 4 8 q t t q 8 4 6