10          20        30        40        50          
GAGAAUCAGGUACCCAG--|        G    A            U  C     CUGAAC 
                   GCCUGUUAA CAUA GUACUUCUUUAC AU CCAUA      \
                   CGGACGAUU GUAU UAUGAAGAAAUG UA GGUAU      U
UACUGGUCUACUGCACCAU^        G    G            -  A     GUUAAC 
.       110       100        90        80         70