10          20        30        40        50        60  
GACCGGUGCCCCUUCUU--| C        CG  GG        AG   G     UAUUUUUU 
                   GC GCUGACAG  GG  AUUCCUGG  AUG GAUUU        \
                   CG CGGCUGUC  CC  UAGGGACC  UAC CUAAA        G
UUCCACGUCGCGACUGGUC^ U        AA  UU        GU   A     UAACCGAC 
   120       110       100        90        80        70