10          20        30        40        50        60     
AUAUUGUCAAUGACACUGU--|  C            C   AGU     UC      UGUGUUGUA 
                     GGG UAGACUUCUUGG ACU   GGAGU  UCUGUG         \
                     UCC GUCUGGGGAACC UGA   CCUUA  AGACAC         A
UCCACCUACCAUUCGAUAAAG^  A            A   CC-     --      UAGGAAGAC 
      120       110       100        90           80        70