10          20        30        40        50        60 
CGCAAUGGCUGGAUGGA--|          U          ACA           GAAAAUC 
                   GUUGUCAUGUG CUGCCUGUCU   CUUGCUGUGCA       \
                   CAACAGUACGC GACGGACAGA   GGACGACAUGU       C
ACCGACAGUCAGUCCGACC^          U          CAC           CCACUCA 
 120       110       100        90        80        70