10          20        30        40        50         
GAAAAAGGCAAAGGAAA--|  C   GA       A       G   A      UGCAUA 
                   GGG GCC  GGCCUCA UUCCGUA UGC UUGCAG      \
                   CCU UGG  UCGGAGU AAGGCGU ACG AACGUC      U
CACAACUAUGCAACGAAUU^  C   AG       G       G   -      CCCCGU 
      110       100        90        80         70        60