10         20         30        40        50          
ACCCUUCGAUGUCUUUCUA-     A-|    U        CU       AA   UUUCAA 
                    GUCUU  UUGAU UUUGAUUG  GCUCAGA  GUC      \
                    CAGAA  AGCUA AAACUAAC  CGAGUUU  CAG      A
GACUAGUCUACGUCAACUUA     CC^    C        UU       A-   UAAACA 
.       110       100        90        80        70