10          20        30        40        50         
GUGACAGAGCAGUUUUUCU--|    CGC  A  C     C          U  AUAAUA 
                     GAUGU   AG UA UGCAU AGGAACUGAU GG      U
                     CUACG   UC GU ACGUA UCCUUGACUA CC      U
ACUUAGUGACUACGAACAAAU^    ACU  C  U     A          -  ACAGAC 
       110       100        90        80        70         60