10           20        30        40        50        60
UCAACCAAUGCUUUAAC---|    ACG  AGU    C    U        GA    GUGUU 
                    AGCCA   CU   CGGC UUUC CCAGGCAG  CUUU     U
                    UCGGU   GA   GUCG GAAG GGUCCGUC  GAAA     C
CUAAAGAAGACAUCGGAGGA^    GA-  ACU    A    U        --    UCAGU 
.       110       100         90        80          70