10        20        30              40        50        60        70        80        90    
UUGAUAUGUGCACUUUUCCUGAUCGUUAUC    ------|    A        UU    AACGGAUGAGCAAGUGCUCGGCUCACUGGCCCAAAUGCA 
                              GUGU      UUGGA UGGUCUCG  AGCU                                       G
                              CACG      AAUCU ACCAGAGC  UUGA                                       U
CCGCUUAAACGUAUAUCACCUUUUAC----    UUACCU^    C        U-    UGUGUGAACUCACGACCCAUUUGGCCGAGGAGGCCCGUU 
       180       170           160       150       140        130       120       110       100