10        20        30              40        50        60        70     
UUAUAUGUGCGAAAUUCAACGAUCGUUAUC    ------|    A        UU   UAACGGAUGAACAUUAACCAA 
                              GUGU      UUGGA UGGUCUCG  AGC                     A
                              CACG      AAUCU ACCAGAGC  UUG                     G
ACCUUUAAACGUAUACCUUUCUUUGC----    UUACCU^    C        U-   AUGUGAUGCGGCAUUCCACGC 
 .       140       130           120       110        100        90        80