10          20         30         40         50         
NNUUCCGCCCCACUGCU--  U      G  -      U   -        -|   GAGUUGC 
                   GC CCUCCU CC CAACAA AUC CUGGUGCU GAGU       \
                   CG GGGGGA GG GUUGUU UAG GACUACGA CUCA       A
UCACCGGGGGCUACCGUCA  U      -  A      U   U        C^   GAGACAG 
 .       110       100         90        80        70        60