10         20         30        40        50          
GCUGUGUGCAUCUCUCC-     U-|    C         U   UU         GAGAUG 
                  CGGCG  GCCCU UCCUUUUUG GGU  GGGGCUUUU      \
                  GUCGU  UGGGA AGGGAAAAC CCA  UCCCGAAAA      A
GCAUAUACAGCGAUGUAC     CU^    U         U   U-         GACAGU 
.       110       100        90        80         70