d              
                   c           
                  c           UUUUU
                  c          U   UU
                 c         UUU    U
                c          UUU   <U
                c            UU UUU
               c             UUUUUU
             cc               UUUUU
          ccc                 UUUUU
         c                    UUUUU
        c                    UUUUUU
       c                     UUUUUU
      c                      UU%UUU
     c                        UUUUU
    c                          UUUU
   c                             UU
  c                
 c  7      
    7