10            20        30         40        50         
GUUGCAGUUGUGUUAGA----|  UC  C      A-           G     G   UAUUU 
                     GUU  AG AGUGCU  AAGUGCUUAUA UGCAG UAG     C
                     CGA  UC UCAUGA  UUCACGAGUGU ACGUC AUC     U
AAGCCUAGGGUCUGCGUAAUU^  --  U      AG           G     -   UACUG 
.       110       100          90        80        70         60