10         20         30        40        50         
CACCUGUCCUUUCCUAC-     -|   U     UG            U     GUAACU 
                  CUAGG CCUU UCUAG  UGGGAUUUAAAG UGUGU      \
                  GAUCC GGAA AGGUC  GUCCUAAAUUUC AUACG      C
GUCGAUCUCUACAGUUGA     U^   C     UG            C     ACAGUG 
       110       100        90        80        70        60