10          20        30        40        50
CGAAGAUGGCACACAUG--|    UG G   GA                GU 
                   GAGCG  G GAG  AACCGUUACCAUUACU  G
                   UUCGC  C UUC  UUGGCAAUGGUAAUGA  U
UGAACACCCGUGCCAGUGG^    GU G   UC                UU 
100        90        80        70        60