10          20        30        40        50        60 
GUUCAGGUUAUAAUGCU--|  GA      CU   C    C      AGC     UAUCUAU 
                   GUU  GCACAU  CCU AUCA UUUUCC   CCAGC       C
                   CAG  UGUGUA  GGA UAGU AAGAGG   GGUUG       A
CAAUAGUCACUACCUUUCA^  UC      UG   A    C      CA-     UUUGUAA 
 120       110       100        90        80         70