10         20         30        40         50          
AGAAGAAAACUGGAGAUA-   -      CCA          -|    C       UUUUAU 
                   GCU GUGUUU   CUCAUCAAAG UGGCU UGAUGUG      \
                   CGG UACAAA   GAGUAGUUUC ACCGA ACUAUAC      U
AAAAUUUUUCAACUGUUGA   U      AGC          G^    C       UUUUAA 
120       110       100        90        80        70