10        20          30        40        50        
GCAGGACUGUGACACUAAA     C--|  C            UU         GAGAU 
                   CACAG   GGG GCUCAAUAAAUG  UGUUGAAUU     \
                   GUGUC   CCC CGAGUUAUUUAU  GCAACUUAA     G
GCGGGGUGUGUCGCAGACC     UCA^  A            GG         AUCGC 
     110       100        90        80        70        60