10          20        30        40        50         
GAGGGUUGUUUUGUUUUCU--|    CGC  A  C     CA         U  AUAAUG 
                     GAUGU   AG UA UGCAU  GGAACUGAU GG      U
                     CUACG   UC GU ACGUA  CCUUGACUA CC      A
CUAAACUCACUACGAACUUAU^    ACU  C  U     AC         -  ACUGGC 
       110       100        90        80        70         60