10          20        30        40        50        60   
GUUCUGUUAAAGAGUGC--|  U UG  U     G      UGC    A       AUUUGCUA 
                   UCU G  GC UCCAU CAGAAG   ACGG AACAGCU        U
                   AGG C  CG AGGUA GUCUUC   UGUC UUGUCGG        U
CGUGUACGGUCACAGUCUU^  U GU  U     -      U--    A       UUGAAAAG 
   120       110       100         90          80        70