10           20        30        40        50        60
UCUUCCCAAUUUUUAUU---|    U                 U     U      GCUGGU 
                    GCUUA AACUUUCCAAAGAAUUC CCUUU GGGCUU      U
                    CGGGU UUGAAGGGUUUUUUAAG GGAAA CCCGAA      U
UAAAACCAACUUCCUUAAAU^    -                 U     -      UUUUAU 
 .       110       100         90        80         70