10          20        30        40         50          
CUGGUAUUUUGAUGCUUU--   G     UGCA                  -| CCUGUUGU 
                    GCU GCUGG    GUGCCUGAGGGAGUAAGA GC        \
                    UGA CGACC    CACGGACUCCCUCAUUCU UG        U
UUUAACCUCCUCUCGUUCUC   G     UCUA                  G^ AUAGACUG 
120       110       100        90        80        70