10          20        30        40        50        60
AAGUCCUGGGCUGUCUC--| AG CU     A         GA     U     AGAAAGU 
                   GG  C  GGGGC GGGGGGCAG  GGGGC CAGGG       A
                   CC  G  CCCUG CUUCCCGUC  UCCCG GUCCC       U
CGACCCAGGUCACAUGAAC^ CU UC     C         UC     -     CGACAUC 
 .       110       100        90        80         70