10          20        30        40        50        60  
UAUUAUAAAUUUCUCCCG--| UC    AGUCC       CAU    UU     CUUGACUUC 
                    AU  UGAC     ACCCGUA   UUGU  CCGUG         \
                    UG  ACUG     UGGGUAU   AACA  GGCAC         A
UUGACUUUUUUUAAGGCUGA^ UU    ACCGC       AU-    C-     UAACUCGAA 
 120       110       100        90         80         70