10          20        30        40        50        60        70  
CUGUCAGCUCAUUUUAU--|          CA    U     C    U   A  GUCAUUAUUGUUCUGGCGU 
                   UGUUGUUAUGG  ACGU GGUCG ACGA CAA GC                   \
                   AUAAUAGUACU  UGCG UCGGC UGCU GUU CG                   C
AUUUCAGGAACUUCUUUCA^          UC    C     U    U   C  UAAAAUACUGCGUUAAUUA 
   140       130       120       110       100        90        80