.
                                   f u
                             u    c k     u
                            c      y o      c
                           k        u         k
                          y       v   e        y
                          o      r      y       o
                          u      m    u       u
                           v      c     h      v
                             e      f u        e
                               r      c       r
                                   y  k   y
                                        ~

.

                                     ~
                                     W
                                      ~
                             W     i    s   e
                                      s  
                                      e

.
                                   m
                          b      bfp       b
                       f         mbf         f  
                      P         pmb          p
                      ~          f  p            ~­
                      m      m     b          m
                       b       f        p         b
                        f        m    b         f
                         P        f   p         p
                           ~        m         ~
                             ~      b        ~
                                      f
       ­                               p

.
                                    F
                          a       a c        a
                        c         e F           c
                       e          a c             e
                       F           F               F
                       a         a    c            a
                       c          e   F            c
                        e          a  c           e
                          F          e           F
                            a        ~        a
                                      c
                                      e

.
                                    S
                          k      k i        k
                        i         r t           i
                       r           S              r
                      t          k     i           t
                      S          r     t           S
                       k         S    k           k
                        i          i   r            i
                         r           t             r
                            t        ~          t

.
                                    C
                         ­  a     a  m     a
                         m      e  l         m
                         e        t  o          e
                        l            e  ­           l
                        t        c       a        t
                        o       m      e       o
                         e        l      t        e
                           c          o          c
                              a       e       a
                                 m   ~   m
                                        e
                     ­                   l

.

                     t i t t i e            t i t t i e
                p                  p  p                   p
               i          @        i i           @        i
                 e                e       e               e
                      t  i   t                   t  i   t