10          20        30        40        50
UGACAGCUGUGGCACUU--|   AU      GA                 A 
                   GGGA  GGCGAG  AACCGUUACCAUUACUG G
                   CCCU  UCGUUC  UUGGCAAUGGUAAUGAU U
AGAAGAACCGUGUCAAACA^   CG      UC                 U 
100        90        80        70        60