10          20        30        40        50        60
UAGGGUUAAAGACAUUA--|  U      GG     U     CG   A  G   GUAGUUA 
                   AUG GUUAGA  UUGGG CUUUG  GGC AG UGA       A
                   UAC CGGUCU  GACCC GAAAC  CCG UC ACU       A
UUAUUCACUCCUACUAUUG^  U      UU     U     AU   G  A   CUCAUUU 
120       110       100        90        80        70