f x [ec] x [6Z] x c-r-[7x]- z-t l [8k] j k y i p d- G k [tl] k [(J] k z-u-[0l]- l-u k [0j] H j q e t i- f j [tj] j [8j] j j-t-G- j-t s [(a] p f-[yf]-0- [qs] s [id] s [qa] s f q e y [rd]- f-y-f- f 0 q 0 ( 0 f x [ec] x [6Z] x c-r-[7x]- z-t l [8k] j k y i p d- G k [tl] k [(J] k z-u-[0l]- l-u k [0j] H j q e t i- f j [tj] j [8j] j j-t-G- j-t s [(a] p f-[yf]-0- [qs] s [id] s [qa] s f q e y [rd]- f-y-f- f 0 q 0 ( 0 f j [TJ] j [*H] j J-y-[9P]- [Qf] J [Ik] J [QH] J k-r-[7a]- D k [rl] k [(J] k c-t-[0x]- f H t-[0l] k j q e t i- f u i u Y u [ed]--[yd] 9 [es] - t [(r] e [Wf]--f 0 [qs] t y t [qr] t [qd]--y- [Wf]--[Wf]- [ef] j [6l] x lb- f j [TJ] j [*H] j J-y-[9P]- [Qf] J [Ik] J [QH] J k-r-[7a]- D k [rl] k [(J] k c-t-[0x]- f H t-[0l] k j q e t i- f u i u Y u [ed]--[yd] 9 [es] - t [(r] e [Wf]--f 0 [qs] t y t [qr] t [qd]--y- [Wf]--[Wf]- [ef] j [6l] x lb