10          20        30        40        50        60  
GCAUCCCAUGAGAUGCCA--|     UG    AA         CU       A  UUGAGCAG 
                    AAGGUU  GGGG  CAUUCAACG  GUCGGUG GU        C
                    UUCCAA  UCCC  GUGAGUUGC  CAGCUAC CA        U
UUCCGUAGUCCACCAUCAAA^     CG    AG         --       -  AACGGAAG 
 120       110       100        90          80         70