10        20             30        40        50        
CUCUCAUCGUAUACUAGAAG-----|   CUC        CGC             ACUAUG 
                         GGAC   UUCAGAAU   UUGUAAGUUUUCU      U
                         CUUG   AAGUCUUA   AACAUUCAAAAGA      A
UAAAAUUAUAAAAAAGGAGUUAUAA^   ---        CCA             UGACGA 
      110       100        90           80        70        60