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