10          20        30        40        50          
AUGACUACAGUCUCCAU--|    UCG     U          A     U    GAGAAUA 
                   GUGAC   UGGAC UCCCUUUGUC UCCUA GCCU       \
                   UACUG   ACUUG AGGGAAACGG AGGGU CGGG       U
UAGUUCUCUCUACGGUCAC^    CUA     C          A     -    GGAAGUA 
.       110       100        90        80         70