10          20        30        40        50         
AUCUCCUUAAAGGCUUU--|  U  AG   C          U   A     GUGAUAAAA 
                   GUA GC  UGC CUAUUUAGAA GGC CUGAU         \
                   CAU CG  AUG GAUGAAUCUU CCG GACUA         U
AGUAAUUUGCAUCUUCCAC^  U  GA   A          U   G     GUUAAAAAA 
       110       100        90        80        70        60