10        20               30        40        50          
UGGCGGGGUUAAUAACACGUCUCG    -------|          U       U    UUUCGUU 
                        ACGC       CUCGCAGUAUA UUUUGUG UUUG       \
                        UGCG       GAGUGUCAUAU AGGACAC AAAC       U
CAGCGAAAAGCGACGACCG-----    ACCAGUA^          U       U    CUAACGU 
 .       110            100        90        80        70