10          20        30        40        50
CGACUGCCAGGGCACUU--|  A   U    GA                 U 
                   GGG AUG CGAG  AACCGUUACCAUUACUG G
                   CCC UGU GUUC  UUGGCAAUGGUAAUGAU U
AGAAGCACCGUGCAAAAGA^  A   C    UC                 U 
100        90        80        70        60