.
                                        
                      ­                    L
                                     i   ib   i
                                  b     er     b
                               e        ty         e
                              r          L            r
       ­                       t        i      b        t
               ­               L       e      t         L
                               i        b    e         i
                                b       r   t         b
                                 e         y         e
                                    r      L        r
         ­                             t     i      t
                                         y b  y
                                             e
                                             t
                                             y

.
                                      J
                             u     u s      u
                           s        t  i          s
                          t          c e           t
                         i            J               i
                         c         u    s           c
                          e        t     i           e
                           J        c    e          J
                            u       J   u        u
                              s       s  t       s
                                 t      i      t
                                        c
                                        e

.
                                        B
                                 l     l o     l
                              o       s s        o
                             s        om         s
                            s           B            s
                            o       l       o        o
                            m      s      s        m
                             B       o   m        B
                               l        B  l         l
                                o        o        o
                                   s      s      s
                                          O
                                          M

.
                                     Joy
                               J     Joy      J
                            o       Joy         o  
                           y          J             y
                           J        o    y          J
                           o       J     o         o
                            y       y    J         y
                              J       o y         J
                                o      J        o
                                   y   o    y
                                        y

.
                                     F
                             a     ac     a
                           c       eF        c
                         e         ac          e
                        F           e            F
                        a        F    a         a
                         c       c     e         c
                          e       F   a        e
                            F      c  e       F
                              a      F      a
                                c    a     c
                                  e  c   e
                                      e

.
                                        P
                     ­          u      up        u
                             P        pet          p
                            p          P ­             p
                            e         u   p           e
                            t          p    e           t
                            p         t     P           P
                            u         u    p          u
                              p         p  e          p
                                p          t     ­      p
                                  e        P        e
         ­                            t      P     t

.
                                      P
                       ­       o    ow     o
                           w       er         w
                          e          P            e
           ­              r         o   w         r
                         P        e     r          P
                         o        P     o         o
                          w       w  e         w
                            e          r          e
           ­                   r        P        r
                          ­      P     o       P
                                  o   w    o
                                    w !  w
                                        !!!