10            20        30        40        50        60  
GAAUGGUGUUAGAUGGG----|   UA    CU       C    UU           GUGUAAU 
                     CAGU  CAGC  CUGUAAA AUCC  GACUGGAAGCU       A
                     GUCG  GUCG  GACAUUU UAGG  CUGACUUUCGA       A
GAACAUUUUCCUCCUGACAUC^   --    UC       A    --           UGAAUGU 
  120       110       100          90          80        70