10          20        30        40        50        60  
UUCCCACCAUGAGACUA--|                         A  C     UGUUUUCAU 
                   GAACAGAAUGGAAUUUGAAACGUUUU GC AAAAA         \
                   CUUGUUUUGCUUUAGACUUUGCAAAG CG UUUUU         G
UUUAAAUCAACUUCGGCCU^                         A  U     GAGGAAGUG 
   120       110       100        90        80        70