10           20        30        40        50        60
UGUAUGAUCCGAUUUUUCC---|   UU    UC      UC   G       U    UUUA 
                      AAUU  CUGC  GGUCUA  CUU CUUCGGU GAUA    U
                      UUGA  GACG  CCAGAU  GAA GGGGUCA CUAU    U
CUGUAAUUGACCUUUAACUUCU^   U-    UU      --   A       -    UAAU 
       110       100         90          80        70