10          20        30        40        50        60  
UUUAAAUUUCUUUUCCU--|  U     AUA        U              AUGCUUGCU 
                   UUG CUGUA   GUAUCUUU UUAUUACGUACAAA         U
                   AAC GAUAU   UAUGGAGA AAUGAUGCGUGUUU         A
UAUUUAUUUUCUGCUAUUU^  U     AAC        U              UACAGUUGG 
    120       110       100        90        80        70