10         20         30        40        50        60
AGCCAGUUGUUUCGCCU-   -|       GUA         CC      UC    UUUCU 
                  GAG UACGGUGU   GUGGAUGUA  CUCGGU  GAUG     U
                  CUC AUGCCAUA   UACUUACAU  GGGCCA  CUAC     U
CCAAGACGGAUGACAUGA   G^       AAC         AU      --    UAUCA 
.       110       100        90        80          70