10        20          30        40        50        60  
GCCUGGCAAAACUGUAAGAG--| U    CU         AU     UC    AGUUUCCUGA 
                      GC GGAC  GAGGGGAAA  GCCUU  UCCC          \
                      CG CCUG  CUCCCCUUU  CGGGG  AGGG          U
UCGGAACCCGACCUUAUUCUAA^ U    UC         GU     UA    UCUGUGUUUC 
   120       110       100        90        80        70