10          20        30        40        50        60
UCAUCUUUUUAUUUAGC--|  GA  G   U  AG                 UAAGUUAUA 
                   CCU  GU CCC GU  CAGCACAUCAUGGUUUG         A
                   GGG  CG GGG CA  GUCGUGUAGUACUAAGC         G
AGUACAAUUACCUCUUUGA^  UC  A   U  CU                 CUUAAACGG 
120       110       100        90        80        70