10          20        30        40        50        60
AAGUCCUGGGCUGUCUC--|    CU  AG           GA     U     AGAAAGU 
                   AGAGC  GG  UGGGGGGGCAG  GGGGC CAGGG       G
                   UCUCG  CC  GCCUUCCCGUC  UCCCG GUCCC       C
UGACCCGUGUCGUACCGGU^    UC  CU           UC     -     CGACAUA 
 .       110       100        90        80         70