10          20        30        40        50        60 
GUACAUUUGUAAUUUAAA--|       A    A       GA          UUGUGCAUU 
                    AGUACGAG UGAU UAAAAUG  CUCCGGAUUU         U
                    UUAUGUUC ACUA AUUUUAC  GGGGCCUAAA         C
CAUCUCCUUCAUACGGUUUA^       G    A       UC          UAUAGACAU 
  120       110       100        90        80        70