10          20          30        40        50        60
CACACACACAUCACACU--     - -| CU  G    U    C    UA        GGACG 
                   GCCGG C CU  GC UCCC GAGA CCUU  ACCUGUGA     U
                   CGGCC G GG  CG AGGG UUCU GGAG  UGGACACU     C
CGGGGUCCGACCACCAACC     U C^ UC  -    -    U    --        GGGAC 
.       110       100        90          80          70