10        20          30        40        50        
CAUCAUCAAGGAUCAAUCAA--|        UC         AUUA        GCGAU 
                      GUUAAACGU  GGUGGUUUU    CGGUGGUU     \
                      CAAUUUGUA  CUACUAAAG    GCCACUAA     U
ACCAUAAACCAACAACUUAAAC^        CU         AUGG        CAUUU 
     110       100        90        80        70        60