10          20        30        40        50        60
ACGUCACACAGGAUCUC--|   UU   A   A    A           C   GUGCAGUG 
                   CCGC  UCC CCG UGAC GACAGAAUGCG CAG        A
                   GGUG  AGG GGC AUUG CUGUUUUACGC GUC        A
GGUACAGUUUCUACUUACG^   UU   C   G    C           C   AAUUAACU 
120       110       100        90        80        70