10          20        30        40        50       
GGCUCUACAAAACAAUC--|  U       CUA         C       G  AAUAA 
                   GUC CCAUAUA   CAUACUUCA UAUAUUC CA     \
                   CGG GGUGUGU   GUAUGAAGU AUGUAAG GU     C
ACCAACUACCUCAAGAGCA^  U       UAG         A       -  AAAAC 
  110       100        90        80        70         60