10          20        30        40        50          
CCAAAAGUAUUUGUUUC--|   C  C   C    U         UU        UUGUUU 
                   AGGA UC CCA CACU AAACGUGGA  UACUUGCU      \
                   UUCU AG GGU GUGA UUUGUACCU  GUGAAUGA      C
UUCAAUAAUAACCUUUUCA^   A  U   A    U         UC        AAAAAU 
 .       110       100        90        80        70