10         20         30         40         50          
AUUUUUUUCAGAUGAGAA-   -     AAAU        U-      -|      UAGAUAU 
                   AGC AACAU    GUAUUCAU  UCAUGU UCUUGAU       \
                   UCG UUGUA    CAUAAGUA  AGUGCA GGAAUUA       A
AUAUUAACGCUACAAAUAA   C     GUAU        UU      C^      UCAAGUU 
 120       110       100        90        80        70