10         20         30        40        50         
UCCAUCAUGGGGAAUAU-   A-|  A   AAAA         UC   UG    GUAUGU 
                  CAG  CCU UGG    GGUCCAACU  ACA  GCCU      C
                  GUC  GGA ACC    CCGGGUUGG  UGU  UGGG      A
AGAUGUACACAUUCUUAU   CC^  C   CUAC         UA   GU    AGAAAU 
.       110       100        90        80        70        60