10          20        30        40        50          
UUAAAUUUCAUUUGUAU--|   C           G      UAU         AUAUUUA 
                   CUGU AUUCGUGGAGC AGAGGG   UAUGUAUUC       \
                   GGUA UGAGCAUUUCG UUUCUU   AUACAUAGG       U
UAAGGUGACAACUGCUAUA^   A           G      CUU         ACUAAAA 
 .       110       100        90        80        70