10          20          30        40        50        60
UCAGGGUAAUGAGACAC--    C--|  CCU       U       CGCGU     UAAUGA 
                   ACCC   CAU   UCUAUAG CUGUAGA     CAGGG      G
                   UGGG   GUG   AGAUGUC GAUAUCU     GUCCC      A
CCGCCGUCACACAGAGUAA    ACU^  C--       U       CCCU-     CCACAC 
 .       110       100          90        80         70