10          20        30        40        50       
GGGGGGUUGAGGCCCAU--|      A    CU   A     AC     G     GCU 
                   GGCGCUC CUGC  GUA CAGCA  UCCAU UGGAA   C
                   CCGCGGG GACG  CAU GUCGU  AGGUG ACCUU   C
CCCCGGGGGUCCACUCACG^      G    UC   C     GA     -     CCU 
   110       100        90        80        70         60