10        20          30        40        50      
UGGUGACAUUAGAAUUUAGU--|   C   CC         CCC    G    GCUG 
                      UGCA CAG  ACACAUAUG   AGGU ACAU    U
                      AUGU GUC  UGUGUAUAC   UCCA UGUA    U
UGACUUGAACCUAUUCGUCCAU^   U   CU         CAC    G    CAUC 
  110       100        90        80        70        60