10          20         30        40        50         
UGACAACACCUAACCUGGC--|  C  -     U   U      UC      U  GUGUUU 
                     CCG UC UCUCG GAG AUUACA  AGGUAC GA      A
                     GGC AG GGAGU CUC UAGUGU  UCCGUG CU      U
UACGUCACAAUCAGCAUUACC^  -  U     U   U      UU      C  GCAGAA 
.       110       100         90        80        70        60