10          20        30        40        50        60
AAGUCUUGGGCUGUCUC--|    CU  AG           GA     U     AGAAAGU 
                   GGAGC  GG  CGGGGGGGCAG  GGGGC CAGGG       G
                   CCUCG  CC  GCCUUCCCGUC  UCCCG GUCCC       C
UGUCCCGUGUCACACCGGU^    UC  CU           UC     -     CGACGUA 
 .       110       100        90        80         70