10            20        30        40        50         
AAACAACUGAGACACGC----|   GGCU     C     C   U      AA    UGGAA 
                     UACU    GACAG CUGGU UCA GUGGUG  UAGA     \
                     GUGA    CUGUU GACUA AGU UACCAC  AUCU     A
UCAUUGUAAGUCUACGACACG^   GU--     U     A   U      G-    UGAAC 
      110       100          90        80        70         60