10           20        30         40        50        60   
CCGCCGCGCGCUCUCUG---|   U  U  ACGC     - C  C     GU     CGUCGCUUC 
                    GCCG GC AC    GCUCU C AC GGCAG  CUUUA         U
                    UGGC CG UG    CGAGA G UG CCGUC  GAAAU         C
GUGGUGCGCACGUCUCUCUC^   -  C  GAGU     A U  A     --     CCGAGAGCU 
     120       110        100        90        80          70