10          20        30        40        50        60  
GGAAAGCCAGGAAUCCA--|    U  A          CG  C      AU    GUGAAUUC 
                   GGCCC UG GGGUGGCUUC  UG CUGCAG  GUCU        C
                   UCGGG GC CCCAUCGAAG  AC GACGUC  CAGA        U
CACUCACAAACUCGACUCG^    U  A          AA  C      C-    GUCGGAAC 
   120       110       100        90        80         70