10         20         30         40        50         
ACUUGCUUACCUCUUGCA-   A-  A     A       A-|  U      CU  AGGCU 
                   GUA  CU AGCUC CCACUAG  GGC GCUGCA  GC     \
                   CGU  GA UUGAG GGUGGUC  CCG CGACGU  CG     A
AGAAAAGGGAGACUUUGAC   CG  G     A       CA^  -      --  UAAAC 
     110       100        90        80         70          60