10        20          30        40        50         
GAGAAAGCAAACUGAGCCA   --| G    C           U       CGCUAUGCC 
                   GCU  UC CGGU CAUUAUUACUU UGGUACG         \
                   CGG  AG GUCA GUAAUAAUGAG GCCAUGC         A
ACCCACCAGGCAACAGCGA   UC^ A    C           U       UCAACUCAC 
       110       100        90        80        70        60