10          20        30        40        50        60     
UCUUCGAGAAACAUCCA--|     U UG       C        UU       UGUCGGUGUUAC 
                   UCUCAG G  GCUUGGG CUUAGCGG  CAGUGGG            \
                   AGAGUC C  UGAACCC GAAUCGUC  GUCAUCU            C
CUGUAUAGAUCUUCCGUCA^     U GU       U        CG       GUGAACUAUUAG 
 .       120       110       100        90        80        70