10          20        30        40        50        60 
CAUCUGACACGAAUGAC--|   A       CA      U  C           CCGAAUUA 
                   GAGU UUCUCUG  UACUAU GC UCAAUUGUCAC        U
                   CUCG AGGAGAU  AUGAUG UG AGUUAAUAGUG        A
AAAGAAGAACUUACAUAUU^   A       AC      C  A           CUGAUAGC 
  120       110       100        90        80        70