10         20         30        40        50        
CCCCCCCCCCGCCCCCG-   -| CCA    A         UUC          GUGGG 
                  CGU CU   GGGC ACCGUGGCU   GAUUGUUACU     A
                  GCA GA   CCCG UGGUACCGA   CUGACAAUGG     A
CCGACCACCACCGCACCC   C^ CGC    C         CAU          GGGCC 
      110       100        90        80        70        60