10          20        30        40         50          
GCCUUGGAGCCUGUGGU--       C                       -| CGUGGUUUU 
                   GGGGGAG GGGGGAGGACGGGAGGGGAGGAG GG         \
                   CUCCUUC UCUUCUUCUGCCCUCCUCUCCUC CU         A
GGCUCUGUCCGUCCUUACC       U                       A^ CCUCGACGU 
120       110       100        90        80        70