10          20        30        40        50       
GGAAAGGAAGACCCACU--|      C       G     A  AA         GAAA 
                   GAGAUGG GGGGCAA CCCUU CC  UAUAUUAGA    U
                   CUCUACU CCUCGUU GGGAA GG  AUAUAAUCU    C
GACUUCUUGCACCCCAACA^      U       G     -  AA         AAAU 
   110       100        90        80         70        60