10          20        30        40        50         
UCAAAUAAUAAGAGUAUGA--| UG  C                    CG     GUAUA 
                     AC  UC UUUUUCGGUUAUCAUGGUAC  GUGCU     C
                     UG  GG AAGAAGUCAAUAGUGUCAUG  CAUGG     G
AAAAUCGAGAGUACACUACCG^ GU  U                    A-     AAAGU 
       110       100        90        80         70        60