10          20        30        40        50        60  
AUGGUGAGUGUUAUUUU--|    U   GU  C        AG  CCG       UGGCUGUU 
                   GGUUA GGG  CG UAAGUAGU  UG   CAGGUAA        A
                   CCGAU CCC  GU AUUCAUCG  AC   GUCCAUU        A
AUAUCAAGCUCAACAUACC^    U   UU  A        GA  AG-       GCACUAUA 
   120       110       100        90        80         70