10          20        30        40        50
CGUCUGCCAGGGCACUU--|  AA       GA                 A 
                   GGG  UGGCGAG  AACCGUUACCAUUACUG G
                   CCC  GUCGUUC  UUGGCAAUGGUAAUGAU U
AGAAGGACCGUGCAAAAGA^  AC       UC                 U 
100        90        80        70        60