10         20         30        40          50         
GUUACUACUUUCCCGGC-   -  CU     A    G     A-  -| A   U  CAAUAC 
                  UGC AA  ACGGU AGCG UAUCC  GC CG UGU UU      U
                  ACG UU  UGUUA UCGC AUAGG  CG GC ACA AA      G
GGUAAACACUUUAACCGU   C  UU     C    A     CA  U^ -   U  GUUUAC 
 .       110       100        90        80         70        60