10            20        30        40        50        60  
UUGUGAAUUUAUCUGGG----|   UG     C            UU           GUACAGG 
                     CAGU  UUGCU CUGUAAACAUCC  GACUGGAAGCU       \
                     GUCG  GACGG GACAUUUGUAGG  CUGACUUUCGG       C
AGACAAAGUCCUCUUAACACC^   --     C            --           AGAAACU 
 120       110       100          90          80        70