10             20        30        40         50         
GAGAUGUUGGUGCCAGCA-----| AUUC     GU        U  A-   G    GCGUGCA 
                       CC    AGGGU  GUGACUGG UG  CCA AGGG       C
                       GG    UCCCA  CACUGAUC AC  GGU UCCC       U
UCAGAAGAAAUCACCUUAACUAC^ C---     AC        C  CG   G    ACUUGUU 
 .       110       100           90        80        70        60