10          20        30        40        50         
AGAAAGAACGUUUCUGU--|  G   U      U     C    UA         UUGAA 
                   GCU AGU AAGUGU CAGUU UCUU  CCUUUUACU     U
                   UGA UCG UUCACG GUCAG AGAA  GGGAAAUGA     U
AGGUUACUGCAUCCUCAUA^  A   C      -     U    UC         UUAGU 
       110       100        90         80        70        60