10          20        30        40        50        
CCGAGACCACUGGGCGA--| U    C  U  UC       CC  A         GGAG 
                   GC GGUC CA GG  CCUGAGA  CU ACCUGUGAC    U
                   CG CCGG GU CC  GGGCUCU  GA UGGGUACUG    G
UACCCGAGAGACCUCUCCA^ U    A  C  GA       CU  C         GAAA 
      110       100        90        80        70        60