10        20          30        40        50        60  
AUUAAAACUAUAAAAAGU      --|     A         C       G    GUUCCAUG 
                  UCUUCU  AGCGAC GGUUUUCGC GUGAUCU CAGA        \
                  AGGAGA  UCGUUG CCGAAAGUG UACUAGA GUCU        A
GAUCAAAAAGUGUUACUC      AU^     A         C       -    ACAAAAGA 
  120       110       100        90        80         70