10          20        30        40        50    
UUUGCUAUUUUUAAAUG--|        A                  AU    CU 
                   AUAUAUAAU UUCUGAAAAUGUUAUCCA  GAGC  \
                   UAUAUAUUA AAGACUUUUACAAUAGGU  UUCG  G
AAAAAAUGUUCACGUUUAC^        C                  CG    GA 
       100        90        80        70        60