10        20           30         40        50          
UAUAUACACAUAUAUACAC  U-   --  A   -|      UCUU          UUGAUUU 
                   CG  UCA  UU UUG AGAUGUA    UACUGAGCGG       \
                   GC  AGU  AA AAC UCUACGU    AUGAUUCGCC       C
UUCUAAUCUACUAUUCUG-  UC   CU  C   U^      CGCU          UUAGAAA 
120       110        100        90        80        70