10         20         30        40        50          
GUGUGGUAAAGGAACAAC-    -|    A            U   UGAG     AUUUUA 
                   AGCC CGGCA UGAGGGGAGCAU UCC    GACAG      \
                   UCGG GUCGU AUUUCUCUCGUA AGG    CUGUC      U
GGGCGACAAACCGCCUUCU    C^    C            U   UA--     ACAAAU 
       110       100        90        80          70