10          20        30        40        50        
AAAUGCAGUAUCCAUUUAU--|    U     U            G        UGUAU 
                     AACCU CCAAA AUAUAUAUAUAU UACGUAUG     A
                     UUGGG GGUUU UAUGUAUAUAUA AUGCAUAU     U
CAGGCAUCCACUUUUUUUAAU^    U     U            G        GUAAG 
      110       100        90        80        70        60