10          20        30        40        50        60   
GUUCUGUUAAAGAGUAC--|  C UG        G      UGC    A       GUUUGCUA 
                   UCU G  GCUUCCAU CAGAAG   ACGG AACAGCU        U
                   AGG C  CGGAGGUA GUCUUC   UGUC UUGUCGG        C
UGUCCACGGUCACAGUCUU^  U GU        -      U--    A       UUGAAAAG 
   120       110       100         90          80        70