10          20        30        40        50        
GGUUUGGCCUUUUUUGU--|   U      UUC       UAA      CU    GGGU 
                   GAGC GUUGGA   GGGGCCG   CACUGU  GAGA    U
                   UUCG CGACUU   CUCUGGC   GUGACA  CUCU    A
GGAAAGUUUCCUUCGCUCC^   U      UUU       CAA      --    UUAC 
    110       100        90        80        70          60