10        20             30        40        50        
CCCCCUUUAGCCAUGCCGUGU    U  C-----|           GU      A  UUAGA 
                     GCUG GU      CUACCCAGAAAG  ACUGAU AC     \
                     CGAC CG      GAUGGGUCUUUC  UGACUG UG     C
UGGUGGUUACAACAAGAA---    U  UAAUGA^           UG      A  UACAU 
     110       100           90        80        70        60